HARD
12th West Bengal Board
IMPORTANT
Earn 100

Find the time-period of oscillation of an electric dipole in a uniform electric field

Important Questions on Interaction of Charged Particles, Electric Field and Potential
HARD
12th West Bengal Board
IMPORTANT
Prove that in gold-leaf electroscope the leaves diverge only when there is a potential difference between the leaves and the metal case.

HARD
12th West Bengal Board
IMPORTANT
Explain electric induction in a conductor in terms of the properties of electric potential.

HARD
12th West Bengal Board
IMPORTANT
What do you mean by the potential energy of a system of charges. Derive energy expression for three like and equal point charges placed at the vertices of an equilateral triangle. What happens if the charges are made free to move?

EASY
12th West Bengal Board
IMPORTANT
Permittivity of vacuum is SI unit is . The value of k is _____ .

EASY
12th West Bengal Board
IMPORTANT
Dipole moment is a _____ quantity.

EASY
12th West Bengal Board
IMPORTANT
joule. The value of k is _____

EASY
12th West Bengal Board
IMPORTANT
Electric potential has the same value at all points of a charged _____.

EASY
12th West Bengal Board
IMPORTANT
Work done to displace a charge body in a electric field is _____ of the path chosen.
