# Electromagnetic Theory-Electrostatics: Gauss's Law and Its Applications (CSIR (Council of Scientific & Industrial Research) Physical Sciences): Questions 4 - 7 of 13

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## Question number: 4

» Electromagnetic Theory » Electrostatics: Gauss's Law and Its Applications

Appeared in Year: 2012

MCQ▾

### Question

Four charges (two + q and two –q) are kept fixed at the four vertices of a square of side a as shown

At the point P which is at a distance R from the centre, the potential is proportional to – (December)

### Choices

Choice (4) Response

a.

b.

c.

d.

## Question number: 5

» Electromagnetic Theory » Electrostatics: Gauss's Law and Its Applications

Appeared in Year: 2011

MCQ▾

### Question

Four equal point charges are kept fixed at the four vertices of a square. How many neutral points i. e. , points where the electric field vanishes will be found inside the square? (December)

### Choices

Choice (4) Response

a.

4

b.

3

c.

7

d.

5

## Question number: 6

» Electromagnetic Theory » Electrostatics: Gauss's Law and Its Applications

Appeared in Year: 2012

MCQ▾

### Question

A point charge of mass m is kept at a distance d below a grounded infinite conducting sheet which lies in the xy – plane. For what value of d will the charge remains stationary? (December)

### Choices

Choice (4) Response

a.

b.

There is no finite value of

c.

d.

## Question number: 7

» Electromagnetic Theory » Electrostatics: Gauss's Law and Its Applications

Appeared in Year: 2014

MCQ▾

### Question

The electrostatic line of force due to a system of four point charges is sketched below.

At a large distance, the leading asymptotic behaviour of the electrostatic potential is proportional to – (December)

### Choices

Choice (4) Response

a.

b.

c.

d.

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