HARD
12th West Bengal Board
IMPORTANT
Earn 100
A dipole is aligned parallel to the field. Calculate the work done in rotating it through .
Important Questions on Interaction of Charged Particles, Electric Field and Potential
HARD
12th West Bengal Board
IMPORTANT
Explain in which positions an electric dipole has the maximum, zero and minimum potential energy.
HARD
12th West Bengal Board
IMPORTANT
Define the term 'electric dipole moment'. Give its unit.
Derive an expression for the maximum torque acting on an electric dipole when held in a uniform electric field.
HARD
12th West Bengal Board
IMPORTANT
Derive an expression for the electric potential at a point along the axial line of an electric dipole.
HARD
12th West Bengal Board
IMPORTANT
Draw a labelled diagram showing an electric dipole making an angle with uniform electric field .Derive the expression for the torque experienced by it.
HARD
12th West Bengal Board
IMPORTANT
Prove that work done to move a charge in an electric field does not depend on the path chosen, it depends only on the initial and final positions.
MEDIUM
12th West Bengal Board
IMPORTANT
Explain which property of electric force is essential to define electric potential? Why electric field is called conservative field?
EASY
12th West Bengal Board
IMPORTANT
Prove that the work done in any closed path in an electric field is zero.
HARD
12th West Bengal Board
IMPORTANT
What happens when a non-conducting material is placed in an electric field?
