Electrostatics-Electric Potential (NEET Physics): Questions 1 - 4 of 25

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Question number: 1

» 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

Question number: 2

» 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

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: 3 (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: 4 (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

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