The unit of capacitance is

In a cable capacitor, voltage gradient is maximum at the surface of the

Laplacian of a vector is ___________ of gradient of its divergence and its curl of curl.

The dielectric constant (relative permittivity) of glass is given by

The sparking between two electrical contacts can be reduced byinserting a

A capacitance off if is connected in series with a resistance of£The time constant of the circuit is

Is that property of a capacitor which delays any change of voltageacross it.

The property of a capacitor to store electricity is called its

Dielectric stregth______with increasing thickness

The unit of dielectric strength is given by

Electric intensity at any point in an electric field is equal to the at thatpoint.

The value of E within the field due to a point charge can be found withthe help of

The unit of electric instensity is

The number of Faraday tubes of flux passing through a surface in anelectric field is called

A unit tube of flux is known as tube

The total deficiency or excess of electrons in a body is known as

A single core cable used onV has conductor diametermm and the in¬ternal diameter of sheathmm. The maximum electrostatic stress in the cable is

When the dielectric is homogeneous,the potential gradient is

Capacitors are used for audio frequency and radio frequency couplingand tuning.

Capacitors are used in transistor circuits.