# Electrostatics-Electrostatic Potential Energy (NEET (National Eligibility cum Medical Entrance Test) Physics): Questions 6 - 9 of 17

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## Question number: 6

» Electrostatics » Electrostatic Potential Energy

MCQ▾

### Question

Two charges q 1 and q 2 are placed 30 cm apart, shown in the figure. A third charge q 3 is moved along the arc of a circle of radius 40 cm from C to D. The change in the electrostatic potential energy of the system is . What will be P?

### Choices

Choice (4) Response

a.

8 q 2

b.

8 q 1

c.

6q 2

d.

6 q 1

## Question number: 7

» Electrostatics » Electrostatic Potential Energy

MCQ▾

### Question

When the separation between two charges is increased, the electric potential energy of the charges is,

### Choices

Choice (4) Response

a.

decreases

b.

may increase or decrease

c.

Remains the same

d.

Increases

## Question number: 8

» Electrostatics » Electrostatic Potential Energy

MCQ▾

### Question

Three particles, each having a charge of 10µC are placed at the corners of an equilateral triangle of side 10 cm. What is the electrostatic potential energy of the system? ( = 9xl0 9 Nm 2 /C 2)

### Choices

Choice (4) Response

a.

Zero

b.

27 J

c.

Infinite

d.

100 J

## Question number: 9

» Electrostatics » Electrostatic Potential Energy

MCQ▾

### Question

Three charges of equal value q’ are placed at the vertices of an equilateral triangle. What is the net potential energy, if the side of equilateral triangle is l?

### Choices

Choice (4) Response

a.

b.

c.

d.

f Page