NOOTAN ISC PHYSICS Class 12 Part-1>Chapter 3 - Electric Potential>QUESTIONS>Q 9

EASY

12th ICSE

IMPORTANT

Earn 100

The potential due to a point charge at a distance of $0.3 m$ is $103 V$ What will be the electric field intensity due to the same charge at a distance of $0.4 m$ ?

Important Questions on Electric Potential

MEDIUM

12th ICSE

IMPORTANT

NOOTAN ISC PHYSICS Class 12 Part-1>Chapter 3 - Electric Potential>QUESTIONS>Q 10

The electric field at a point due to a point charge is

20 N - C^{- 1}

and the electric potential at that point is

10 J - C^{- 1}

. Calculate the distance of the point from the charge and the magnitude of the charge.

HARD

12th ICSE

IMPORTANT

NOOTAN ISC PHYSICS Class 12 Part-1>Chapter 3 - Electric Potential>QUESTIONS>Q 11

A point charge of

6.0 \times 10^{- 8} C

is situated at the coordinate origin. How much work will be done in taking an electron from the point

x = 3 m

to

x = 6 m

?

HARD

12th ICSE

IMPORTANT

NOOTAN ISC PHYSICS Class 12 Part-1>Chapter 3 - Electric Potential>QUESTIONS>Q 12

At each corner of an equilateral triangle charges of

+ 250 μC

are placed in air. What will be the resultant electric potential at the centroid of the triangle whose distance from each comer is

18 cm

?

HARD

12th ICSE

IMPORTANT

NOOTAN ISC PHYSICS Class 12 Part-1>Chapter 3 - Electric Potential>QUESTIONS>Q 13

Electric charges of the same nature and each of

100 μC

are placed at the corners of a square having a diagonal of

2 m

. Determine the resultant potential at the centre of the square.

MEDIUM

12th ICSE

IMPORTANT

NOOTAN ISC PHYSICS Class 12 Part-1>Chapter 3 - Electric Potential>QUESTIONS>Q 14

10 J

of work is required to move a charge of

- 200 C

from point

A

to

B

. Which of the two points is at higher potential?

MEDIUM

12th ICSE

IMPORTANT

NOOTAN ISC PHYSICS Class 12 Part-1>Chapter 3 - Electric Potential>QUESTIONS>Q 14

10 J

of work is required to move a charge of

- 200 C

From point A to B. What is the

P D

Between them?

MEDIUM

12th ICSE

IMPORTANT

NOOTAN ISC PHYSICS Class 12 Part-1>Chapter 3 - Electric Potential>QUESTIONS>Q 14

10 J

of work is required to move a charge of

- 200 C

from point

A

to

B

. If the points are

4 c m

apart, what is the component of the electric field parallel to the line joining

A

and

B

?

HARD

12th ICSE

IMPORTANT

NOOTAN ISC PHYSICS Class 12 Part-1>Chapter 3 - Electric Potential>QUESTIONS>Q 15

3.24 \times 10^{- 4} J

of work is done in taking

3.0 \times 10^{- 8} C

of charge in a uniform electric field from one point to the other.If the distance between the points be.

12 cm

, calculate the intensity of the electric field.