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Capacitors
Page 7
Questions (371)
The electric field between the plates of a paper-separated capacitor is 8.18×104 . The plates are 2.20 apart, and the charge on
2 answers
asked by
nammilee_2012
545 views
A first capacitor is initially connected to potential source ?. The charged capacitor is then removed
from the source and
2 answers
asked by
CJ
542 views
A 15.2-F capacitor has an initial voltage of 2.00 V. It is charged with a current given by i=t�ã5=t^2. Find the voltage across
3 answers
asked by
Tim
522 views
An air-filled capacitor consists of two parallel plates, each with an area of 7.60 cm2, separated by a distance of 1.70 mm.
(a)
2 answers
asked by
HELP in physics!!!
559 views
A capacitor is made from two parallel plates separated by a distance d, and each has area A. The capacitor holds a charge Q. (a)
2 answers
asked by
lindsey
539 views
A 7uF capacitor is charged to a potential difference of 110V The electrical energy stoed in the capacitor is
(4.2x10^-2 was the
2 answers
asked by
alex
541 views
A variable capacitor is connected to an ac source. what effect does decreasing the capacitance have on the reactance and current
3 answers
asked by
seema
537 views
Three capacitors (3.83, 5.89, and 12.9 μF) are connected in series across a 58.0 V battery. Calculate the voltage across the
2 answers
asked by
Anonymous
548 views
Physicists claim that charge never flows through an ideal capacitor. Yet when an uncharged capacitor is first placed in series
2 answers
asked by
suleri
535 views
why is it physically reasonable to expect that two identical parallel plate capacitors that are placed in series ought to have
3 answers
asked by
ikine2
530 views
what potential difference U is needed such that a point charge (q) between a parralel plate capacitor leaves it at the upper
2 answers
asked by
Rohan
532 views
Two identical capacitors store different amounts of energy: capacitor A stores 2.5 x 10-3 J, and capacitor B stores 2.8 x 10-4
2 answers
asked by
Ann
569 views
An air-filled capacitor consists of two parallel plates, each with an area of 7.60 cm2, separated by a distance of 1.70 mm.
(a)
2 answers
asked by
HELP!!!
546 views
Two capacitor 3.0 pico Farad and 6.0 pico Farad are connected in series. If the capacitor connected to a potential difference of
2 answers
asked by
Syam
537 views
please help:- Two capactiors of 14microfarror and 6 microfarror are connected in parallel with a series 10microfarror capacitor
3 answers
asked by
paulr
549 views
Two capacitors are identical, except that one is empty and the other is filled with a dielectric (k = 4.5). The empty capacitor
2 answers
asked by
adam h.
542 views
Capacitors are used in many applications where you need to supply a short burst of energy. A 143 μF capacitor in an electronic
2 answers
asked by
Ashley
524 views
An air-filled capacitor consists of two parallel plates, each with an area of 7.60 cm2, separated by a distance of 1.70 mm.
(a)
2 answers
asked by
rabio
521 views
An air-filled capacitor consists of two parallel plates, each with an area of 7.60 cm2, separated by a distance of 1.70 mm.
(a)
2 answers
asked by
smita
533 views
An air-filled capacitor consists of two parallel plates, each with an area of 7.60 cm2, separated by a distance of 1.70 mm.
(a)
2 answers
asked by
Help!!
522 views
An ac power supply with frequency 60 Hz is connected to a capacitor C=40uF. The maximum instantaneous current that passes
3 answers
asked by
Someone
515 views
A variable capacitor is connected to an ac source. what effect does decreasing the capacitance have on the reactance and current
2 answers
asked by
seema
507 views
I have a circuit with three capacitors and a battery. The battery supplies 15V. The battery is in series with C3. C3 is in
3 answers
asked by
Sara
532 views
A simplified model for an erythrocyte is a spherical capacitor with a positive inner surface of area A and a membrane of
1 answer
asked by
Nelly
500 views
Consider the Earth and a cloud layer 600 m above the planet to be the plates of a parallel-plate capacitor.
(a) If the cloud
1 answer
asked by
B
497 views
A capacitor is charged with a battery and energy stored is U. after disconnecting the battery another capacitor of same capacity
1 answer
asked by
ankit
506 views
This is the situation I have been given:
You are given three capacitors, one with a capacitance of 0.025 micro-farads, another
2 answers
asked by
Rachel
509 views
11. The charged plates of a parallel plate capacitor each have a charge density of 3 x 10-3 C/m2. What is the electric field E
1 answer
asked by
ikemaze
502 views
(a) During a Physics Lab experiment, 1st year SFY students analyzed the behavior of capacitors by connecting two capacitors to
1 answer
asked by
John PETER
544 views
A capacitor with a capacitance of C = 25.7 μF is slowly charged by a constant current of I = 45.7 nA. How long does it take to
1 answer
asked by
andrea
501 views
When a capacitor are plugged into the battery, what happens to the Q(charge), potential difference, and C. It would have the
2 answers
asked by
blast
496 views
Two capacitors of capacitance 4micro farad and 6micro farad are connected in series to a 100v d.c supply,draw the circuit
1 answer
asked by
Asiyah
502 views
suppose you want to design a capacitor that uses mica as the dielectric material which has K = 7 and a dielectric strength of
2 answers
asked by
Heidi
488 views
the total resistance is 13.0 kΩ, and the battery's emf is 28.0 V. If the time constant is measured to be 34.0 µs . Calculate
1 answer
asked by
Nade
486 views
if a 5microfarad capacitor is charged by a 20volts battery and it is then connected across an uncharged 20microfarad capacitor ,
3 answers
asked by
Edward
480 views
Using the analogy of the air capacitor, what do you think might be the cause of charge motion during capacitor discharging?
1 answer
asked by
Ronnie
491 views
A capacitor has a capacitance of 55 pF. In the charging process electrons are removed from one ate and placed on the other
2 answers
asked by
Jodie
491 views
An air-filled capacitor consists of two parallel plates, each with an area of 7.60 cm2, separated by a distance of 1.70 mm.
(a)
1 answer
asked by
capacitance q
510 views
The stored electrical energy of a 800-ƒÊ F capacitor charged to 1.20�~104 Volts is converted to thermal energy by discharging
1 answer
asked by
TP
511 views
I am also having problems understanding how to complete this problem, any help would be greatly appreciated.
Two capacitors are
2 answers
asked by
Jim
486 views
The two plates of a capacitor hold +3200 µC and -3200 µC of charge, respectively, when the potential difference is 700 V. What
2 answers
asked by
Brian
476 views
When discharging a capacitor it will
a) loose half of its charge in equal time intervals b) loose a third of its charge in equal
3 answers
asked by
Andrea
485 views
determine the
a)charge on the capacitor b)voltage across the capacitor c)current through the resistor after t=rc when a capacitor
2 answers
asked by
selina
496 views
An air-filled capacitor consists of two parallel plates, each with an area of 7.60 cm2, separated by a distance of 1.70 mm.
(a)
1 answer
asked by
rabio
494 views
A point charge q = -2.41 nC is initially at rest adjacent to the negative plate of a capacitor. The charge per unit area on the
2 answers
asked by
Ashley
498 views
Given Two parallel plate capacitors with a seperation d(metres) in free space connected to a dc supply of volts,v. A dielectric
1 answer
asked by
Joel
474 views
Consider a capacitor made of two square plates of side l. The distance between the two plates is d .
(a) We insert a dielectric
3 answers
asked by
P
481 views
How does the energy stored in a capacitor change if (a) the potential difference is
doubled, and (b) the charge on each plate is
1 answer
asked by
Anonymous
476 views
A very long cylindrical capacitor consists of two thin hollow conducting cylinders with the same axis of symmetry. The inner
2 answers
asked by
P
482 views
Consider a circuit with a capacitor, battery, wire, and bulb. Describe the source(s) of charge during capacitor discharging.
2 answers
asked by
Ronnie
492 views
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Parent Categories (23)
Capacitance
Circuit Analysis
Circuits
Electric Circuits
Electric Circuits/Electromagnetism
Electric Fields
Electric Fields and Capacitance
Electrical Circuits
Electrical Components
Electrical Energy
Electrical Engineering
Electricity
Electricity and Circuits
Electricity and Magnetism
Electricity/Magnetism
Electromagnetism
Electronic Components
Electronics
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Physics or Electric Circuit