Electrostatics (BITSAT Physics): Questions 1 - 4 of 15

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Question number: 1

» Electrostatics » Capacitors

MCQ▾

Question

Four capacitors each of 25μF are connected as shown in diagram the DC voltmeter reads 200volt. The charge on each plate of capacitor will be –

A circuit diagram of four capacitors

A Circuit Diagram of Four Capacitors

In figure a circuit diagram of four capacitors are shown.

Choices

Choice (4) Response

a.

5×103C

b.

2×102C

c.

5×102C

d.

2×102C

Question number: 2

» Electrostatics » Capacitors

MCQ▾

Question

A parallel plate capacitor is charged to 60μC. Due to a radioactive source, the plate loses charge at the rate of 1.8×108Coulombsec . The magnitude of displacement current is

Choices

Choice (4) Response

a.

4.1×1011Coulombsec

b.

1.8×108Coulombsec

c.

5.7×1012Coulombsec

d.

3.6×1011Coulombsec

Question number: 3

» Electrostatics » Capacitors

MCQ▾

Question

Force of attraction between the plates of a parallel plate capacitor is –

Choices

Choice (4) Response

a.

q22εoAK

b.

qεoAK

c.

q32εoA

d.

q22εoA2K

Question number: 4

» Electrostatics » Forces Between Two Point Charges

MCQ▾

Question

A simple pendulum has time period T . The bob is given negative charge and surface below it is given positive charge. The new time period will be –

Choices

Choice (4) Response

a.

Infinite

b.

Greater than T

c.

Less than T

d.

Equal to T

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