A capacitor is a device used for storing charge as capacitance well as energy it is based on a property calledcapacitance: Write the SI unit of capacitance and define it.

Three capacitors of capacitances 2 pF, 3 pF and 4 pF are connected in parallel:-Write the SI unit of capacitance.

In a charged capacitors energy is stored

Capacitors are devices used to store charges, Capacitors in series:- If three capacitances C_1, C_2 and C_3' are connected in series.what is the Effective capacitance of the combination.

Define power of a lens. Write its S.I. unit

Write down the expression for capacitative reactance of a capacitor.

Write down the expression for the capacitance of a spherical capacitor?