Electrostatics (NEET Physics): Questions 8 - 12 of 107

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Question number: 8

» Electrostatics » Electric Potential

MCQ▾

Question

Two identical thin rings each of radius R meters are coaxially placed at a distance R meters apart. If Q 1 coulomb and Q 2 coulomb are respectively the charges uniformly spread on the two rings, the work done by external agent in moving a charge q slowly from the center of ring with charge Q1 to that of other is,

Choices

Choice (4) Response
a.

q(Q1Q2)(2+1)24πϵ0R

b.

Zero

c.

q(Q2+Q1)(2+1)4πϵ0R

d. Question does not provide sufficient data or is vague

Question number: 9

» Electrostatics » Capacitors

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.

Qϵ0A(t1K1+t2K2)

b.

ϵ0QA(K1t1+K2t2)

c.

QAϵ0(t1K1+t2K2)

d.

QAϵ0(K1t1+K2t2)

Passage

Three concentric spherical conductors A, B and C of radii R, 2R and 4R respectively. A and C is shorted and B is uniformly charged.

Three concentric spherical conductors

Three Concentric Spherical Conductors

Three concentric spherical conductors A, B and C of radii R, 2R and 4R respectively.

Question number: 10 (1 of 3 Based on Passage) Show Passage

» Electrostatics » Electric Potential

MCQ▾

Question

Potential at B is

Choices

Choice (4) Response
a.

5Q12πϵ0R

b.

Q4πϵ0R

c.

Q16πϵ0R

d. None of the above

Question number: 11 (2 of 3 Based on Passage) Show Passage

» Electrostatics » Electric Potential

MCQ▾

Question

Charge on conductor A is

Choices

Choice (4) Response
a.

2Q3

b.

Q3

c.

Q3

d. All of the above

Question number: 12 (3 of 3 Based on Passage) Show Passage

» Electrostatics » Electric Potential

MCQ▾

Question

Potential at A is due to B

Choices

Choice (4) Response
a.

Q4πϵ0R

b.

Q16πϵ0R

c.

Q20πϵ0R

d. Question does not provide sufficient data or is vague

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