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Capacitors
Page 6
Questions (371)
Doubling the voltage across a parallel plate capacitor does not double which of the following?
a. the charge b. the electric
2 answers
asked by
Anthony
652 views
An air filled parallel plate capacitor initially has a capacitance of C = 4.57 nF.
Then the air gap between the plates is filled
1 answer
asked by
Anonymous
649 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
649 views
A small plastic ball with a mass of 6.80 10-3 kg and with a charge of +0.161 µC is suspended from an insulating thread and
2 answers
asked by
Anonymous
628 views
A capacitor network has two capacitors in series: 150nF and 120nF. The potential difference between point a on the outer side of
2 answers
asked by
Jon
618 views
Two capacitors are identical, except that one is empty and the other is filled with a dielectric (k = 3.8). The empty capacitor
1 answer
asked by
Anonymous
638 views
A small plastic ball with a mass of 6.50x10^-3 kg and with a charge of +0.150x10^-6 C is suspended from an insulating thread and
2 answers
asked by
Trevor
624 views
The plates of a parallel-plate capacitor are
separated by 0.303 mm. If the material between the plates is air, what plate area is
2 answers
asked by
Anonymous
623 views
With V = Voe^-(t/T), how many time constants does it take for a capacitor to discharge less than 1% of its initial voltage?
2 answers
asked by
Jason
625 views
A charged capacitor (AB) carries on its plate A a charge Q=-1.2mC
a) What is the charge carried by plate B. b) Is the voltage U
2 answers
asked by
sandra
618 views
A capacitor A1B1 of capacitance C1=2microF is charged under a voltage U1=20V and then isolated.
a) Calculate the voltage U (A1B1)
4 answers
asked by
angy
613 views
Two identical capacitors store different amounts of energy: capacitor A stores 2.5 x 10^-3 J, and capacitor B stores 4.8 x 10^-4
1 answer
asked by
e
622 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
613 views
1.calculate the work done on a capacitor of capacitance of 200uF, when a potential difference of 100v is applied
2.find the area
2 answers
asked by
Maballs
593 views
Capacitors in parallel:
Give as clear as explanation as possible as to why it is physically reasonable to expect that two
3 answers
asked by
ikine4
616 views
Электрон влетает в пространство между обкладками плоского
7 answers
asked by
lisa
587 views
A parallel capicitor is made of two plates with cross sectional area A which are separated by a distance d (with a vacuum
3 answers
asked by
k
594 views
A charged capacitor, C = 40 micro F, is connected to a resistor, 120 ohms. How much time will elapse until the voltage falls to
2 answers
asked by
Amber
578 views
Consider a charging capacitor made out of two identical circular conducting plates of radius 21 cm. The plates are separated by
4 answers
asked by
Flux
598 views
An air condenser has an area of 100 cm^2 the plates being 4mm apart. It is connected in series with another condenser having
2 answers
asked by
vicky
584 views
The plates of an air-filled parallel-plate capacitor with a plate area of 18.5 cm2 and a separation of 9.25 mm are charged to a
2 answers
asked by
AAA
600 views
Two fully charged capacitors (C1 = 2.00uF, q1=6.00uC,C2=8.00uF, q2 = 12.0 uC). The switch is closed, and the charge flowed until
2 answers
asked by
Eric
590 views
A 20.0 \mu F capacitor initially charged to 20.0 \mu C is discharged through a 1.90 k\Omega resistor. How long does it take to
2 answers
asked by
john
583 views
lets say two capacitors C1 and C2 1uF each are connected in series with a voltage source 5v. One of the capacitors C2 has an
2 answers
asked by
Venkatarama
594 views
An air filled parallel plate capacitor has plates of area 0.0406 m^2 and seperation of 2.5*10^-6 m.
a)What is the capacitence for
2 answers
asked by
Kwang hu111
586 views
The potential difference between the plates of a capacitor is 335 V. Midway between the plates, a proton and an electron are
2 answers
asked by
Maria
573 views
This question has me stumped because I am not really sure about the capacitor.
"Imagine a free electron and a free proton held
2 answers
asked by
Jan
567 views
When a capacitor are plugged into the battery, what happens to the Q(charge), potential difference, and C(do all of them
2 answers
asked by
blast
589 views
A 24-µF capacitor has an electric potential difference of 30 V across it. What is the charge on the capacitor?
2 answers
asked by
kjhlkj
570 views
Took a leaf out of Eileen's book for the picture corresponding to the problem (you have to delete the spaces in 'h t t p :'):
h t
2 answers
asked by
Bobby
574 views
A capacitor is rolled from two strips of aluminum separated by two strips of paraffin-coated paper. Each strip is 5.40cm wide.
2 answers
asked by
Anne
579 views
Problem 21.79
The plates of a 3.2nF parallel-plate capacitor are each 0.25 m^2 in area. Part A - How far apart are the plates if
2 answers
asked by
Paige
571 views
The magnitude of the electric field between two plates of a parallel plate capacitor is 2.4×10^5 N/C. Each plate carries a
5 answers
asked by
jane e.
579 views
A capacitor consists of two concentric spherical shells. The outer radius of the inner shell is a=0.76 mm and the inner radius
2 answers
asked by
s
574 views
parallel plate capacitor has an area of 5cm^2 and a capacitance of 3.5PF. the capacitor is
connected to a 12v battery .after the
2 answers
asked by
selina
578 views
Capacitor X is charged to a potential difference 68 V by a battery. It is disconnected from the battery and then connected in
3 answers
asked by
Kimmie
552 views
A 600W flashlamp fitted to a camera is operated by discharging a 10 000 uF capacitor through the lamp. The capacitor is charged
2 answers
asked by
Josh
565 views
Two circular metal disc each of 3.00 cm diamter are 1.5 mm apart make a capacitor.
A)What is the capacitance of this capacitor if
2 answers
asked by
Tim Cooper
552 views
A parallel-plate capacitor has plates with an area of 450 cm^2 and an air-filled gap between the plates that is 2.30 mm thick.
2 answers
asked by
DAVE
561 views
(1)A parallel-plate capacitor carrying charge q0 is modified by the insertion of a dielectric with κ = 4.3 between the plates.
2 answers
asked by
Sandhya
543 views
A 30.0μF capacitor is connected to an ac voltage source with an rms voltage of 150V and a frequency of 2.49KHz. What is the
2 answers
asked by
Amy
566 views
A capacitor has two parallel plates separated by 2 mm and is connected across a 50 V battery.
I. What is the electric filed
3 answers
asked by
KEWI
555 views
Review Conceptual Example 11 before attempting this problem. An empty capacitor is connected to a 9V battery and charged up. The
2 answers
asked by
Sami
560 views
Two identical capacitors store different amounts of energy: capacitor A stores 2.4 10-3 J, and capacitor B stores 4.8 10-4 J.
2 answers
asked by
Anonymous
548 views
A capacitor is constructed of two aluminum plate separated by a dielectric. the capacitance is measured to be 268.00 uf. without
5 answers
asked by
anonymous
545 views
A charged capacitor,C=10e-6 F, with an initial stored energy of 3.5J, is discharged across a resistor, R. The charge on the
2 answers
asked by
Taj
541 views
The electric potential energy stored in the capacitor of a defibrillator is 64 J, and the capacitance is 137 µF. What is the
2 answers
asked by
Anonymous
567 views
Two capacitors are identical, except that one is empty and the other is filled with a dielectric (k = 3.9). The empty capacitor
2 answers
asked by
Sophie
557 views
A capacitor is formed of two identical coaxial disks of diameter 28cm. The distance d between the disks is adjustable .
Calculate
2 answers
asked by
sandra
561 views
A 24.0-V battery is connected to a 4.70-µF capacitor. How much energy (in J) is stored in the capacitor?
I'm guessing this is
3 answers
asked by
Harlay
539 views
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Parent Categories (23)
Capacitance
Circuit Analysis
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