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12th West Bengal Board
IMPORTANT
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How does the coulomb force between two points charges depend upon the dielectric constant of the intervening medium ?

Important Questions on Interaction of Charged Particles, Electric Field and Potential

EASY
12th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART 2 : CLASS 12>Chapter 2 - Interaction of Charged Particles, Electric Field and Potential>EXERCISE 2>Q 12
The distance of the field point, on the equatorial plane of a small electric dipole, is halved. By what factor will the electric field, due to the dipole change ?
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12th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART 2 : CLASS 12>Chapter 2 - Interaction of Charged Particles, Electric Field and Potential>EXERCISE 2>Q 13
What is the energy in electron-volt of a photo-electron moving with velocity 2×107 m/s ? Given mass of electron =9.1×10-28 gm.
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12th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART 2 : CLASS 12>Chapter 2 - Interaction of Charged Particles, Electric Field and Potential>EXERCISE 2>Q 14

Write the S.I. unit of 

(i) electric field intensity 

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12th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART 2 : CLASS 12>Chapter 2 - Interaction of Charged Particles, Electric Field and Potential>EXERCISE 2>Q 14

Write the S.I.unit of 

(ii) electric dipole moment.

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12th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART 2 : CLASS 12>Chapter 2 - Interaction of Charged Particles, Electric Field and Potential>EXERCISE 2>Q 15
Which physical quantity has unit NC-1 ? Is it a vector or a scalar quantity ?
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12th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART 2 : CLASS 12>Chapter 2 - Interaction of Charged Particles, Electric Field and Potential>EXERCISE 2>Q 16
How much work is done in moving a 500μC charge between two points on an equipotential surface?
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12th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART 2 : CLASS 12>Chapter 2 - Interaction of Charged Particles, Electric Field and Potential>EXERCISE 2>Q 17

A uniform electric field E exists between two charged plates as shown in figure, Fig. 2.98. What would be the work done in moving a charge q along the closed rectangular path ABCDA ?

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EASY
12th West Bengal Board
IMPORTANT
A Text Book of PHYSICS PART 2 : CLASS 12>Chapter 2 - Interaction of Charged Particles, Electric Field and Potential>EXERCISE 2>Q 18
In an electric field an electron is kept freely. If the electron is replaced by proton, what will be relationship between the forces experience by them.