When a dielectric material is placed in an electric field the field strength will:

When two cells of unequal voltages are connected in parallel, then the emf of the combination will be equal to:

Kirchhoff’s Current Law is applicable to which of the following:

A Circuit which is having neither any energy source nor emf source is known as _____ circuit:

The ratio of voltage and electrical current in a closed circuit will ____:

if in a circuit, if the supply voltage is reduced to half and resistance offered in the circuit is doubled then the current flowing in the circuit will be:

When the ares of the cross section of the wire is reduced then the resistance will be:

A Circuit in which 2Ω resistance having 2 Amps current will dissipate the power of:

An air gap is usually inserted in magnetic circuits so as to:

A minus (-) sign that is placed in the right hand side of the induced emf expression indicate the phenomenon explained by: