EASY
12th Uttarakhand Board
IMPORTANT
Earn 100

On each corner of a square of side charges of is kept. Find the resultant electric potential at the centre of square.

Important Questions on Electrostatic Potential and Capacitance
MEDIUM
12th Uttarakhand Board
IMPORTANT
Deduce the expression for capacitance of a parallel-plate capacitor.

EASY
12th Uttarakhand Board
IMPORTANT
A lamp of watt, volt is to be connected with volt, electric mains. Find capacitance of capacitor is to be connected in series with lamp.

EASY
12th Uttarakhand Board
IMPORTANT
Derive an expression for energy stored in a parallel plate capacitor.

EASY
12th Uttarakhand Board
IMPORTANT
The unit of electric capacitance is-

MEDIUM
12th Uttarakhand Board
IMPORTANT
If a dielectric material is fully filled between the plates of a parallel plate capacitor then obtain the expression for capacitance of the capacitor.
