Electrostatics (NEET (NTA)-National Eligibility cum Entrance Test (Medical) Physics): Questions 1 - 4 of 133

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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 » Electrostatic Potential Energy

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MCQ▾

Question

Two identical charges are placed at the two corners of an equilateral triangle. The potential energy of the system is U. The work done in bringing an identical charge from Infinity to the third vertex is

Choices

Choice (4) Response

a.

zero

b.

U

c.

3U

d.

2U

Question number: 3

» Electrostatics » Electric Charges

Edit
Assertion-Reason▾

Question

Assertion (Ꭺ)

Surface of a symmetrical conductor can be treated as equipotential surface.

Reason (Ꭱ)

Charges can easily flow in a conductor.

Choices

Choice (4) Response

a.

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

b.

Both Ꭺ and Ꭱ are false

c.

Ꭺ is false but Ꭱ is true

d.

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

Question number: 4

» 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

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