# Given the the instantaneous voltage across a capacitor is VC=40(1-e

1. ## physics

a 20 ohm and 60 ohm resistors are connected in series to a DC generator. The voltage across the 20 resistor is 80 volts. The current through the 60 ohm resistor ? A ) 1.0A B ) 5.0 A C ) is about 1.3 A D ) 4.0 A E ) can not be calculated

2. ## PHYSICS

A 4.00 µF capacitor is connected to a 18.0 V battery. How a lot energy is stored in the capacitor ? This should be a relatively easy trouble yet, I ca n’t get it. Is n’t it equitable E=.5*C*V^2

3. ## Physics

Three capacitors, each of capacitor 120 pF, are each charged to 500 V and then connected in serial. Determine ( a ) the electric potential remainder between the end plates, ( b ) the charge on each capacitor, and ( c ) the energy stored in the system. Ans. a. ) 1.5kV

4. ## Physics

Problem 21.40 A pair of 10uF capacitors in a high-power laser are charged to 1.7kV. Paige Nieuwenhuis Part A – What charge is stored in each capacitor ? Express your solution using two meaning figures. Part B – How much energy is stored in each capacitor ?

5. ## Physics

A 1.5 uF capacitor is connected to a 9.0 V battery. Use PE=1/2C ( transfer in V ) ^2 to find the energy stored in the capacitor .

6. ## Physics

( a ) How much charge does a barrage have to supply to a 5.0 uF capacitor to create a potential deviation of 1.5 V across its plates ? How much energy is stored in the capacitor in this casing ? ( b ) How much charge would the clobber have to supply to store 1.0 J

7. ## Physics

Two capacitors are identical, except that one is empty and the early is filled with a insulator ( k = 4.2 ). The empty capacitor is connected to a 14 -V battery. What must be the potential difference across the plates of the capacitor filled with a

8. ## Physics

It takes 133 J of study to move 3 C of tear from the negative plate to the positive plate of a parallel plate capacitor. What voltage dispute exists between the plates ? Answer in units of V .

9. ## Math

The electric stream I in a circuit varies immediately as the electric potential V. When 21V are applied, the current is 4A. What is the current when 18 volts are applied

10. ## phys 2

Two capacitors are identical, except that one is filled with a insulator ( = 4.50 ). The empty capacitor is connected to a 12.0 Volt battery. What must be the likely remainder across the plates of the capacitor filled with a insulator so that it

11. ## Physics

A 12 V battery is connected to 5 mega ohm resistor and a 6 micro farad capacitor and an open switch. After how many seconds will the electric potential across the resistor reach 9 V ? Suppose the battery is replaced by 12 V actinium with a frequency of 60 Hz.Calculate the

12. ## Physics

When an air capacitor with a capacitance of 300 nF ( 1 { \rm nF } = 10^ { -9 } \ ; { \rm F } ) is connected to a power supply, the energy stored in the capacitor is 1.95×10−5 J. While the capacitor is kept connected to the might supply, a slab of insulator is

13. ## Physics

Doubling the electric potential across a parallel plate capacitor does not double which of the following ? a. the charge b. the electric field between the plates c. the energy stored d. the electric effect on the plates e. both a and bel is the answer A if not then how

14. ## AP PHYSICS

A 3.0-uF capacitor and a 4.0-uF capacitor are connected in series across a 40.0-V battery. A 10.0-uF capacitor is besides connected directly across the battery terminals. Find the total blame that the barrage delivers to the capacitors. I NEED HELP WITH THIS

15. ## Science

A increase transformer increases voltage 20 times. If the electric potential of the primary coil is 1200V, what ‘s the electric potential of the secondary coil ? Please serve. Thank You !

16. ## Physics

Question Three capacitors, each of capacitance 120 pF, are each charged to 500 V and then connected in series. Determine ( a ) the likely deviation between the end plates, ( bel ) the charge on each capacitor, and ( hundred ) the energy stored in the arrangement .

17. ## physics

I have to build a miniskirt solar cable car for a school project and i have three solar cells that i bought. whenever iodine hook up the solar cells i get a understand between 1.5-1.8 volts, but when iodine hook it up to the centrifugal it wont start it. According to the box the motor

A certain analogue denture capacitor consists of two identical aluminum plates each of area 2times 10^-4 m^2.the plates are separated by a distance of 0,03mm, with air out occupying the space between the plates. 1-CALCULATE THE CAPACITANCE OF THE CAPACITOR. AND

19. ## Physics

Doubling the electric potential across a parallel plate capacitor does not double which of the following ? a. the charge b. the electric field between the plates c. the energy stored d. the electric force on the plates e. both a and b is the answer A if not then how

20. ## Physics

A 313 μF defibrillator capacitor is charged to 4.94×103 V. When fired through a patients chest, it loses 95 % of its appoint in 40 ms What is the resistance of the patients chest ?

21. ## physics

A 25 medium frequency capacitor is connected to a beginning of electric potential difference 100V. What is the resulting commission in the capacitor ?

22. ## Physics

1. Ohm ‘s Law states that for some circuits the voltage is proportional to the current. In other words, if you double the electric potential, you will double the current. Which of these equations agrees with this statement of Ohm ‘s Law ? ( ∝ means “ is proportional

23. ## physics

Two parallel plates separated by a distance of 2.0 ten 10^-2 meter are charged to a likely dispute of 1.0 x 10^2 volts. Points A, B, and C are located in the region between the plates. Calculate the magnitude of the electric playing field strength between the

24. ## Science

Consider a lead-acid battery with 500 Ah capacity and a rat electric potential of 12 V. a ) What is the total capacitance of energy in watt-hours that can be stored in the battery ? bel ) Assume that the battery is wholly empty. The battery is now charging at a C-rate of

25. ## physics

a.What electric potential difference exists across a 5.2 µF capacitor that has a charge of 2.1 10-3 C ? how do i function uF and C into a formula to find answer ? ? b.An petroleum drop is negatively charged and weighs 8.5 10-15 N. The drop is suspended in an electric

26. ## science

In experiments involving a pithball electroscope, what causes the pithball to move ? I believe the answer is B A. The pith material always holds a natural positive commission, and it is attracted to other charge objects. B. Electrons jump onto or off the

27. ## Physics

Consider a charge capacitor made out of two identical circular conducting plates of radius 21 centimeter. The plates are separated by a distance 8 millimeter ( note that d

28. ## Physics

A parallel-plate capacitor is charged by a battery and then the battery is removed and a insulator of changeless K is used to fill the col between the plates. Inserting the insulator changes the department of energy stored by a gene of A ) 2. B ) 1/K. C ) 1 ( no variety ) .

29. ## david college

two capacitors of capacitance 4 micheal farad and 6 micheal farad are connected in series to a 100v DC supply.Draw the lap. ( A ) calculate the : ( 1 ) charge on either plate of each capacitor ( 2 ) pottential remainder accross each capacitor ( 3 ) the energy of

30. ## electric ﬁeld

A consistent electric ﬁeld of magnitude 1.0×10^2 NC^−1 exists between two conducting plates, one of which is positively charged and the other of which is negatively charged. The plates are 10 millimeter apart. ( a ) Calculate the magnitude of the potential

31. ## physics

I have no clue : Two parallel plate capacitors have round plates. The magnitude of the charge on these plates are the same. however, the electric field between the plates of the first capacitor is 2.2 ten 10^5 N/C, while the field within the second base

32. ## Physics

A 7uF capacitor is charged to a potential dispute of 110V The electrical energy stoed in the capacitor is ( 4.2×10^-2 was the given answer ) but I used C=Q/V and keep getting 7.7×10^-4 besides A particle of charge Q and mass megabyte is accelerated from respite

33. ## Physics

target charges Q1, Q2, and Q3 reside on three corners of a square with sides of 1m ; the distance from Q2 to P3 is 2m ( see diagram ). ( a ) What is the electric potential, V, at P1 ? ( Normalize the potential to be zero at eternity and give your answers in

34. ## help

If you know the power fink of an appliance and the electric potential of the line it is attached to, you can calculate the stream the appliance uses by A. multiplying the electric potential by the ability. B. subtracting the might from the electric potential. C. dividing the voltage by

35. ## Physics

A certain analogue capacitor consist of two identical aluminum plates, each of sphere 2times 10^-4m^2. the plates are separated by a distance of 0,03mm, with air travel occupying the space between the plates. CALCULATE THE CAPACITANCE OF THE CAPACITOR. AND ALSO

36. ## Physics

an electron is launched at a 30 degree fish with deference to the horizontal and a amphetamine of 3.0*10^6 m/s from the plus plate of the parallel plate capacitor. THe plat of the capacitor are oriented horizontally. The electron lands 5 centimeter aside from the

37. ## CALCULUS

The voltage signal from a standard european wall socket can be described by the equation V ( triiodothyronine ) =325sin100 private detective ten, where deoxythymidine monophosphate is meter, in seconds and V is the voltage at time, t. Find the soap and minute voltage levels and the times at which they occur. Thanks in

38. ## physics

1. x-ray machine operates at 200 kilovolt with a current of 10 ma. The power mus be produced by a transformer which raises the electric potential from 220 volts to 200 kilovolts. The world power going into and out of the transformer is the same. How much current must flow in the

39. ## Physics

When an tune capacitor with a capacitor of 380 nF ( 1 { \rm nF } = 10^ { -9 } \ ; { \rm F } ) is connected to a exponent add, the energy stored in the capacitor is 1.95×10−5 J. While the capacitor is kept connected to the power add, a slab of insulator is

40. ## Circuits and electronics applications3

trope 1 below shows the circuit we ‘ll be using to explore the mistreat response of an RLC circuit. The electric potential source produces a 1V step at t=0. initially the resistor has been set to 0Ω. We ‘ll be probing the electric potential across the capacitor, which will indicate

41. ## physics

A 313 μF defibrillator capacitor is charged to 4.94×103 V. When fired through a patients chest, it loses 95 % of its charge in 40 ms What is the resistance of the patients chest ?

42. ## Physics

A 120-V rms voltage at 60.0 Hz is applied across an inductor, capacitor and a 100-Ω resistor in series. If the maximum value of the current in this tour is 1.60 A, what is the rms respect of the stream in this racing circuit ?

43. ## Science

Consider a circuit with a capacitor, battery, wire, and bulb. Describe the reservoir ( s ) cathexis during capacitor charge .

44. ## physic

Find the p.d across each capacitor is10 micro farads is charged by an 80v provision and then connected across an uncharged 20micro farads capacitors

45. ## calculus

In the process of electrolysis, electrical world power is used to separate water into oxygen and hydrogen molecules via the chemical reaction : H2O — > H2 + ½O2 This is identical much like running a hydrogen fuel cell in rearward. We assume that only the activation electric potential

46. ## chemistry

In the process of electrolysis, electrical power is used to disjoined water into oxygen and hydrogen molecules via the reaction : H2O — > H2 + ½O2 This is very much like running a hydrogen fuel cell in inverse. We assume that lone the activation potential

47. ## physics

A generator of instantaneous potential V = 10sin ( 50pi thymine ) is connected across a capacitor of capacitence 1 times 10power negative 6 F. calculate the maximum value of the current and phase deviation between the current and the potential remainder ?

48. ## PHYSICS

In the early 1900s, Robert Millikan used humble charge droplets of oil, suspended in an electric field, to make the beginning quantitative measurements of the electron ’ s charge. A 0.67-um-diameter droplet of oil, having a charge of +e, is suspended in midair

49. ## bashyam

For the lap shown in the figure, letε=14 V. Initially the switch is exposed and the capacitor is uncharged. When the switch is closed, there is an initial instantaneous current of 1.00 master of arts in the resistor. Two seconds later the current through the

50. ## physics

Two latitude plates separated by a distance of 2.0 ten 10^-2 meter are charged to a electric potential dispute of 1.0 adam 10^2 volts. Points A, B, and C are located in the region between the plates. Calculate the order of magnitude of the electric discipline strength between the

51. ## college chemistry – answer check ASAP!

The corrosion of iron can be thought of as an electrochemical cell reaction. Calculate the voltage dispute between two points of corroding iron differing entirely in their partial derivative pressures of oxygen : 0.20 asynchronous transfer mode of oxygen at one point and 0.0010 standard atmosphere of oxygen

52. ## Physics

A capacitor has stored department of energy U. If the electric potential and plate separation are both double over, the raw store energy is ____. Answer 2U a ) 2U bel ) U/2 coulomb ) U vitamin d ) 4U

53. ## Algebra

The electric current I in a circuit varies directly as the electric potential V. When 21V are applied, the current is 4A. What is the stream when 18 volts are applied

54. ## physics

A capacitor has stored department of energy U. If the voltage and plate legal separation are both double, the newly store energy is ____ .

55. ## Chem

How do I know which part of a compund is negectivly charged and which side is positivly charged ? In BH3 how would I know if the B is positivly charged or negetively charged ? and for hydrogen ?

56. ## Physics

Posting this question again Design an AC circuit with R, L, and C components thus that it can achieve output electric potential in a given load to be doubled in amplitude ( magnitude ) while achieving increase in the phase shift of the output signal voltage of 45 more than the

57. ## physics

1.descibe the structure and work of machine used to generate high voltage ? 2.draw electric lines between the plates of a parallel plate capacitor with 1 ( air ) and 2 ( insulator ) as a medium ? 3.near the surface of earth the playing field is about 100V/m. why do

58. ## science

The electric playing field intensity between two charged plates is 1.1*10^3 N/C. The plates are 0.070 m apart. What is the electric potential remainder, in volts, between the plates ?

59. ## physics

9-Volt battery is used to charge a 375 medium frequency capacitor over a 147 Ù resistance. How many seconds will it take for the capacitor to reach 75 % of its utmost charge ? hint : The equation below represents the charge of a charging capacitor as a function of time Q

60. ## Physics

An electron traveling at 7.00 x 10^6 m/s enters and passes through a parallel plate capacitor. determine the electric sphere generated by the capacitor. note that the electron just clears the corner of the positivist plate. The outdistance of the parallel plate

61. ## kendriya vidyalaya

an electron initially at rest is accelerated through a potential difference of 100 volts. find its final energizing energy in electron volts ?

62. ## Physics

A capacitor of a capacitant is subjected to 2000V of p.d across its terminal. Calculate the energy stored in the capacitor ?

63. ## physics

a 0.47uF capacitor holds a 1.0 uc of charge on each plate. what is the potential dispute across the capacitor ?

64. ## Science

1. What is the commission of charge flow when charging a capacitor ? When discharging a capacitor ? What is your evicence ?

65. ## Science

Consider a circuit with a capacitor, barrage, wire, and bulb. Describe the source ( mho ) of charge during capacitor discharge .

66. ## physics

an LC lap with a 3 uF capacitor and a 3 H inductor has a stream I ( thymine ) =10*sin ( 2t ) supplied to it. after 2 sulfur, how much charge is stored on a plate of the capacitor ?

67. ## physics

consider a serial R-C circuit consist of a 30 ohm resistor and 20*10^-6F capacitor connected to a 100V,50Hz office supply.find the order of magnitude of the current and the slant by which the current leads the electric potential .

68. ## physics

Voltage division. How can i calculate the ohm in two resistors ( R1 and R2 ) when im given the voltage across the current ( Vs ) = 10 and the voltage partition ( V-out ) = 6V ?

69. ## physics

The charged plates of a latitude plate capacitor each have a tear density of sigma C/m^2. Using Gauss ‘s law, compute the electric field between the plates .

70. ## Math

Hello, I ‘m supposed to do the follow questions for the equation y=cos ( pi/3 ) ten for intervals [ 0,6 ] a ) For what values of x does the instantaneous rate of change appear to equal 0 ? bacillus ) For what measure ( randomness ) of ten does the instantaneous pace of change appear to

71. ## math

The voltage ( in volts ) induced in a gyrate of wire is volt = ( 2t + 1 ) ^0.5. The stream in the coil is initially 0.3 amps, and the inductor is 5H. What is the equation for the current in the coil ?

72. ## math

The voltage ( in volts ) induced in a handbuild of wire is v = ( 2t + 1 ) 0.5. The current in the coil is initially 0.3 amps, and the induction is 5H. What is the equality for the current in the coil ?

73. ## Math

The electric potential ( in volts ) induced in a coil of telegram is five = ( 2t + 1 ) ^0.5. The stream in the coil is initially 0.3 amps, and the inductor is 5H. What is the equation for the current in the coil ?

74. ## elctronics and circuits

The circuit shown below is the analogue equivalent model of a two-input single-output amplifier. note that it contains a current dependent electric potential source. Figure 7-1 One application of this amplifier is in a communication circuit where its two inputs are

75. ## Physics

Suppose the position of an aim at clock metric ton is ( 6 + 5t, 2t2, 7t − 5t3 ). ( a ) What is the instantaneous speed at time deoxythymidine monophosphate ? ( bacillus ) What is the acceleration at time thyroxine ? ( c ) What is the instantaneous speed at time deoxythymidine monophosphate = 0 ? ( vitamin d ) What is the acceleration at time thyroxine

76. ## physics

The calculate under shows three circuits, each dwell of a substitution and two capacitors, initially charged as indicate. Let qL represent the charge on the left-hand capacitor in each circuit. The switches in all circuits are then closed .

77. ## physics

In a region where the electric playing field is constant, as it is between two oppositely charged parallel plates, is the electric potential besides changeless ?

78. ## science

A attraction is plunged into and out of a coil of wire 2 times per second. This induces 5 volts. a- If the rate of apparent motion changes so that the magnet is plunged in and out 6 times per second, what will be the newly induce electric potential ?

parallel plate capacitor has an area of 5cm^2 and a capacitor of 3.5PF. the capacitor is connected to a 12v battery .after the capacitor is wholly charge up the battery is removed. a ) what must be the separation of the plates and the charge density on

80. ## physics

parallel plate capacitor has an sphere of 5cm^2 and a capacitor of 3.5PF. the capacitor is connected to a 12v battery .after the capacitor is completely charge up the battery is removed. a ) what must be the legal separation of the plates and the care concentration on

81. ## Pre-Calculas

The electric potential E of an alternating current electric tour can be represented by the sinusoidal function E = 220 conscientious objector ( thymine ), where e is the measured in volts and deoxythymidine monophosphate is measured in seconds. How hanker does it take the alternating current to complete one entire

82. ## Physics

a ) In the series circuits, what do you notice about the voltage across each resistor compared with the electric potential of the battery ? ( There could be more than one answer ) 1.The resistor voltages multiplied together give the battery ‘s electric potential 2.The resistor

83. ## Physic

Two capacitor 3.0 pico Farad and 6.0 pico Farad are connected in series. If the capacitor connected to a likely dispute of 1000v, calculate a. magnitude of the bang on each capacitor b. The electric potential deviation across the capacitor

84. ## phsyics

The electric plain volume between two charged plates is 1.2 103 N/C. The plates are 0.030 megabyte apart. What is the electric potential difference, in volts, between the plates ?

85. ## Physics

A circuit with a capacitor took .138s to discharge from its soap charge Qmax to half of that soap charge once the battery was removed. In this series circuit there besides is one resistor with 100 G ( ohm symbol ). The electric potential sink is 12V across the battery. a ) How

86. ## physics

After a parallel-plate capacitor is charged by a barrage, it is disconnected from the battery and its home plate separation is increased. Which of the follow statements is decline ?

87. ## Statistics

I know do n’t know if this good P ( X )

88. ## physics

Two 250-µF capacitors, with equal capacitances, and a 1.5-mH inductor are connected as shown in the visualize. It is desired to “ drive ” the circuit by placing an actinium generator in series with the inductor. Which output voltage for the generator will produce

89. ## science

Two capacitors are identical, except that one is empty and the other is filled with a insulator ( k = 3.8 ). The empty capacitor is connected to a 16 -V battery. What must be the potential difference across the plates of the capacitor filled with a

90. ## Physics: Potential Difference

Two capacitors are identical, except that one is empty and the other is filled with a insulator ( k = 3.6 ). The empty capacitor is connected to a 15 -V barrage. What must be the likely difference across the plates of the capacitor filled with a

91. ## Physics

Two capacitors are identical, except that one is evacuate and the other is filled with a insulator ( k = 3.9 ). The empty capacitor is connected to a 17 -V battery. What must be the potential remainder across the plates of the capacitor filled with a

92. ## physics

Two capacitors are identical, except that one is empty and the other is filled with a insulator ( k = 4.5 ). The empty capacitor is connected to a 15 -V barrage. What must be the likely difference across the plates of the capacitor filled with a

93. ## Quality Control

How need help with this one. This is what I know P ( X )

94. ## Physics 3

f ) Two capacitors, 3.0F and 4.0F, are individually charged across a 6.0V barrage. After being disconnected from the battery, they are connected in concert with a negative denture of one attached to the positive plate of the other. What are the final

95. ## Physics

I am besides having problems understanding how to complete this problem, any aid would be greatly appreciated. Two capacitors are identical, except that one is empty and the early is filled with a insulator ( = 4.20 ). The empty capacitor is connected to a

96. ## Physics

Use the relationship power = current voltage to find out how much current is drawn by a 1350 watt hair dry when it operates on 120 volts. then use Ohm ‘s law to find the resistance of the hair’s-breadth dry .

97. ## Physics 2

display that during the charge of the capacitor in an RC circuit, the charge of the capacitor, as a function of prison term, is : q ( t ) = C ( 1 – e-t/RC )

98. ## physics

an LC circuit with a 3 uF capacitor and a 3 H inductor has a current I ( triiodothyronine ) =10*sin ( 2t ) supplied to it. after 2 second, how much consign is stored on a plate of the capacitor ?

99. ## Physics

Suppose that you are using a multimeter on the OHMS scale to test a capacitor and the meter reads zero. What discipline of the capacitor does this indicate ?

100. ## Science

Alternating stream going into a transformer has 200 volts. The stream coming out has 20 volts. How many loops of electrify might each coil have ?