EASY
12th Odisha Board
IMPORTANT
Earn 100

The electrostatic force between two charges Q1 & Q2 separated by a distance r is given F=KQ1Q2r2.

The constant K.

50% studentsanswered this correctly

Important Questions on Electrostatics

EASY
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 12>Chapter 1 - Electrostatics>MODEL QUESTIONS>Q 3
The force between Q1 & Q2 is F. If a third charge Q3 is brought near Q1, the force between Q1 & Q2 is F' (say). Then
EASY
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 12>Chapter 1 - Electrostatics>MODEL QUESTIONS>Q 4
The coulomb force of attraction between two charge separated by a distance is 4N. If a dielectric medium of dielectric constant 2 is kept to fill the space between them, the force of attraction now becomes.
EASY
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 12>Chapter 1 - Electrostatics>MODEL QUESTIONS>Q 5
A body is positively charged. It has
EASY
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 12>Chapter 1 - Electrostatics>MODEL QUESTIONS>Q 6
If Fe & Fg are the electric and gravitational forces respectively between an electron and proton situated at a distance apart, the ratio of Fe & Fg is of the order of.
EASY
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 12>Chapter 1 - Electrostatics>MODEL QUESTIONS>Q 7
An isolated conducting sphere is given a positive charge by rubbing. Its mass
EASY
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 12>Chapter 1 - Electrostatics>MODEL QUESTIONS>Q 8
The dimension of ∈0 are.
EASY
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 12>Chapter 1 - Electrostatics>MODEL QUESTIONS>Q 9
A body has a positive charge of 1μC. It has
EASY
12th Odisha Board
IMPORTANT
Bureau's Higher Secondary Physics Class 12>Chapter 1 - Electrostatics>MODEL QUESTIONS>Q 10
A protons at rest has a charge e. When it moves with a high speed, its charge.