Electrostatics-Capacitors (NEET (NTA)-National Eligibility cum Entrance Test (Medical) Physics): Questions 1 - 4 of 32

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Question number: 1

» Electrostatics » Capacitors

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MCQ▾

Question

If L, C and R represent inductance, capacitance and resistance respectively, then which of the following does not represent dimensions of frequency?

Choices

Choice (4) Response

a.

CL

b.

c.

d.

RL

Question number: 2

» Electrostatics » Capacitors

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MCQ▾

Question

A parallel plate air condenser is connected with a battery. Its charge, potential difference, electric field and energy are Q 0, V 0, E 0, and U 0, respectively. In order to fill the complete space between the plates a dielectric slab is inserted, the battery is still connected. Now the corresponding values Q, V, E and U are in relation with the initially stated as

(1) V > V 0

(2) Q > Q 0

(3) E > E 0

(4) U > U 0

Select the correct answers and mark it according to the following codes:

Choices

Choice (4) Response

a.

1 and 3 are correct

b.

1 and 2 are correct

c.

2 and 4 are correct

d.

1,2 and 3 are correct

Question number: 3

» Electrostatics » Capacitors

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Assertion-Reason▾

Question

Assertion (Ꭺ)

Circuit containing capacitors should be handled cautiously even when there is no current.

Reason (Ꭱ)

The capacitors are very delicate and so quickly breakdown.

Choices

Choice (4) Response

a.

Both Ꭺ and Ꭱ are true but Ꭱ is NOT the correct explanation of Ꭺ

b.

Both Ꭺ and Ꭱ are true and Ꭱ is the correct explanation of Ꭺ

c.

Ꭺ is true but Ꭱ is false

d.

Both Ꭺ and Ꭱ are false

Question number: 4

» Electrostatics » Capacitors

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MCQ▾

Question

Between the plates of a parallel plate condenser, a plate of thickness t 1 and dielectric constant K 1 is placed. In the rest of the space, there is another plate of thickness t 2, and dielectric constant K 2. The potential difference across the condenser will be,

Choices

Choice (4) Response

a.

b.

c.

d.

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