# Electrostatics-Electric Potential (NEET (NTA)-National Eligibility cum Entrance Test (Medical) Physics): Questions 12 - 16 of 25

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## Question number: 12

» Electrostatics » Electric Potential

Assertion-Reason▾

### Assertion (Ꭺ)

Electric potential of earth is taken to be zero as a reference.

### Reason (Ꭱ)

The electric field produced by earth in surrounding space is zero.

### Choices

Choice (4) Response

a.

Both Ꭺ and Ꭱ are false

b.

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

c.

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

d.

Ꭺ is false but Ꭱ is true

## Question number: 13

» Electrostatics » Electric Potential

MCQ▾

### Question

In the rectangle shown below, the two corners have charges q 1 = -5 μC and q 2 = +2.0 μC. The work done by external agent in moving a charge q = +3.0 μC slowly from B to A is

(Take l/4π 0 = 10 10 Nm 2 /C 2)

### Choices

Choice (4) Response

a.

5.5 J

b.

2.8 J

c.

3.5 J

d.

4.5 J

## Question number: 14

» Electrostatics » Electric Potential

MCQ▾

### Question

The displacement of a charge Q in the electric field . The work done is,

### Choices

Choice (4) Response

a.

b.

c.

d.

None of the above

## Question number: 15

» Electrostatics » Electric Potential

MCQ▾

### Question

Point charge q 1 = 2 μ C and q 2 =-1 μ C are kept at points x = 0 and x = 6 respectively. Total electrical potential will be zero at points,

### Choices

Choice (4) Response

a.

x = 1 and x = 5

b.

x =-2 and x = 2

c.

x = 2 and x = 9

d.

x = 4 and x = 12

## Question number: 16

» Electrostatics » Electric Potential

MCQ▾

### Question

Ten electrons are equally spaced and fixed around a circle of radius R. Relative to V = 0 at infinity, the electrostatic potential V and the electric field E at the center C are

### Choices

Choice (4) Response

a.

V ≠ 0 and

b.

V = 0 and

c.

V = 0 and

d.

V ≠ 0 and

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