# Electrostatics (NEET Physics): Questions 21 - 24 of 109

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## Question number: 21

» Electrostatics » Electric Field

MCQ▾

### Question

Three infinitely long non-conducting charge sheets are placed as shown in figure. The electric field at point P is

### Choices

Choice (4) Response

a.

4 σ 0 k

b.

c.

d.

## Question number: 22

» Electrostatics » Electric Potential

MCQ▾

### Question

Four equal charges Q are placed at the four corners of a square of each side ‘a’ Work done in removing a charge - Q from its center to infinity is

### Choices

Choice (4) Response

a.

b.

c.

d.

0

## Question number: 23

» Electrostatics » Electric Field

MCQ▾

### Question

Charges q, 2q, 3q and 4q are placed at the corners A, B, C and D of a square as shown in the following figure. The direction of electric field at the center of the square is parallel to side.

### Choices

Choice (4) Response

a.

CB

b.

AC

c.

BD

d.

AB

## Question number: 24

» Electrostatics » Electric Potential

MCQ▾

### Question

S is a solid neutral conducting sphere. A point charge q of 1 x 10 -6 C is placed at point A. C is the center of sphere and AB is a tangent. BC = 3m and AB = 4m.

(1) The electric potential of the conductor is 1.8 kV

(2) The electric potential of the conductor is 2.25 kV

(3) The electric potential at B due to induced charges on the sphere is - 0.45 kV

(4) The electric potential at B due to induced charges on the sphere is 0.45 kV

### Choices

Choice (4) Response

a.

1 and 4

b.

1 and 2

c.

1 and 3

d.

1, 2 and 3

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