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

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Question number: 1

» 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

Infinitely long non-conducting charge sheets

Infinitely Long Non-Conducting Charge Sheets

Infinitely long non-conducting charge sheets parellel to the x axis.

Choices

Choice (4) Response

a.

4 σ 0 k

b.

2σϵ0k^

c.

4σϵ0k^

d.

2σϵ0k^

Question number: 2

» 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.

Square ABCD having different charges at all corners

Square ABCD Having Different Charges at All Corners

Charges q, 2q, 3q and 4q are placed at the corners A, B, C and D of a square

Choices

Choice (4) Response

a.

CB

b.

AC

c.

BD

d.

AB

Question number: 3

» Electrostatics » Electric Field

MCQ▾

Question

Figure shows the electric lines of force emerging from a charged body. If the electric field at A and B are E A and E B respectively and if the distance between them is r then

Non-uniform electric field

Non-Uniform Electric Field

Non-uniform elecric force lines. At A point region lines are more dance than B point region.

Choices

Choice (4) Response

a.

E A > E B

b.

EA=EBr2

c.

EA=EBr

d.

E A < E B

Question number: 4

» Electrostatics » Electric Field

MCQ▾

Question

The electric intensity due to an infinite cylinder of radius R and having charge q per unit length at a distance r (r > R) from its axis is

Choices

Choice (4) Response

a.

Inversely proportional to r 2

b.

Directly proportional to r 3

c.

Directly proportional to r 2

d.

Inversely proportional to r

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