NOOTAN ISC PHYSICS Class 12 Part-1>Chapter 3 - Electric Potential>QUESTIONS>Q 26

HARD

12th ICSE

IMPORTANT

Earn 100

The distance between two protons is $1.0 \times 10^{- 10} m$ . If they are made free, what will be the kinetic energy of each when they are away at a very large distance from each other? If one proton is kept fixed and only other is free then what will be its kinetic energy?

Important Questions on Electric Potential

HARD

12th ICSE

IMPORTANT

NOOTAN ISC PHYSICS Class 12 Part-1>Chapter 3 - Electric Potential>QUESTIONS>Q 27

Two electrons are released towards each other with equal velocities of

10^{6} m s^{- 1}

. What will be the closest approach between them?

HARD

12th ICSE

IMPORTANT

NOOTAN ISC PHYSICS Class 12 Part-1>Chapter 3 - Electric Potential>QUESTIONS>Q 29

An electric dipole of length

2 cm

is placed with its axis making an angle of

60^{\circ}

to a uniform electric field of

10^{5} N ‐ C^{- 1}

. If it experiences a torque of

8 \sqrt{3} N ‐ m,

calculate magnitude of the charge on the dipole.

EASY

12th ICSE

IMPORTANT

NOOTAN ISC PHYSICS Class 12 Part-1>Chapter 3 - Electric Potential>QUESTIONS>Q 29

An electric dipole of length

2 cm

is placed with its axis making an angle of

60 °

to a uniform electric field of

10^{5} N - C^{- 1}

. If it experiences a torque of

8 \sqrt{3} N - m

, calculate potential energy of the dipole.

HARD

12th ICSE

IMPORTANT

NOOTAN ISC PHYSICS Class 12 Part-1>Chapter 3 - Electric Potential>QUESTIONS>Q 30

Two point charges of

+ 3 μC

and

- 3 μC

are at a distance

3 \times 10^{- 3} m

apart from each other. Calculate electric potential at a distance of

0.6 m

from the dipole in broad-side-on position.

HARD

12th ICSE

IMPORTANT

NOOTAN ISC PHYSICS Class 12 Part-1>Chapter 3 - Electric Potential>QUESTIONS>Q 30

Two point charges of

+ 3 μC

and

- 3 μC

are at a distance

3 \times 10^{- 3} m

apart from each other. Calculate the electric potential at distance of 0.6m from the dipole in broad-side on position and at the same point after rotating the dipole through

90 °

.

MEDIUM

12th ICSE

IMPORTANT

NOOTAN ISC PHYSICS Class 12 Part-1>Chapter 3 - Electric Potential>QUESTIONS>Q 31

Compute the electric potential at the surface of the nucleus of a silver atom. The radius of the nucleus is

3.4 \times 10^{- 14} m

and the atomic number of silver is

47

.

MEDIUM

12th ICSE

IMPORTANT

NOOTAN ISC PHYSICS Class 12 Part-1>Chapter 3 - Electric Potential>QUESTIONS>Q 32

A hollow metallic sphere of

0.1 m

radius is given a charge of

12 μC

. Calculate the potential at the surface and at the centre of the sphere.

MEDIUM

12th ICSE

IMPORTANT

NOOTAN ISC PHYSICS Class 12 Part-1>Chapter 3 - Electric Potential>QUESTIONS>Q 33

A hollow spherical conductor of radius

12 cm

12 cm is given a charge of

2.4 \times 10^{- 9} C

. Calculate the potential on the surface of the conductor.