The resistance of a conductor of diameter d and length l is R Ω. If the diameter of the conductor is halved and its length is doubled, the resistance will be

How many coulombs of charge flow through a circuit carrying a current of 10 A in 1 minute?

Instantaneous power in inductor is proportional to the

If P is the power of a star connected system then what will be power of an equivalent delta connected system?

Power dissipation in ideal inductor is

Inductor does not allow the sudden change of

Which of the following has no units?

Which of the following defined the average value ?

If a pure inductor is connected across the ac source, the average power taken by the inductor is

In RLC series circuit R = 2Ω, L = 2mH and C = 1μF. Find the time constant of the circuit?

The right hand rule for determining the direction of the induced EMF was introduced by

Whenever the magnetic flux changes with respect to an electric conductor or a coil, an EMF is induced in the conductor is Faraday’s

Which of the following represents ohms law

In the left hand rule, forefinger always represents

Cork Screw rule is used to find

Biot-Savarts law states the relation between magnetic intensity and

The drawback of Daltons atomic structure is that, it says

According to Coulomb’s law, the force of attraction or repulsion, between to electrical charges is

Ohm’s law in point from field theory can be expressed as

Coulombs law for the force between electric charges most closely resembles with

The Biot-savarts law is a general modification of

The direction of induced emf can be found by

Conductor is constant and field is varying then emf will induce. This principle is called

The operation of electric generators and motors depend on the intraction between magnetic field and

The heating time constant of an electrical machine gives an induction of its

Flemings left hand rule may be applied to an electric generator to find out the direction of

Nodal analysis can be applied for

KCL works on the principle of which of the following

KVL works on the principle of

Form factor is equal to Peak factor in case of