NEET Physics: Questions 211 - 213 of 2098

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Question number: 211

» Electrostatics » Capacitors

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.

2 and 4 are correct

c.

1, 2 and 3 are correct

d.

1 and 2 are correct

Question number: 212

» Electrostatics » Capacitors

Assertion-Reason▾

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.

Ꭺ is true but Ꭱ is false

b.

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

c.

Ꭺ is false but Ꭱ is true

d.

Both Ꭺ and Ꭱ are false

Question number: 213

» Electrostatics » Electric Potential

Assertion-Reason▾

Assertion (Ꭺ)

No work is done in taking a small positive charge from one point to other inside a positively charged metallic sphere while outside the sphere work is done in taking the charge towards the sphere. Neglect induction due to small charge.

Reason (Ꭱ)

Inside the sphere electric potential is same at each point, but outside it is different for different points.

Choices

Choice (4) Response

a.

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

b.

Ꭺ is true but Ꭱ is false

c.

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

d.

Both Ꭺ and Ꭱ are false

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