A wire carries an alternating current ` i=i_0` sin omega t. In there an electric field in the vicinity of the wire?

A direct current of 5A is superimposed on an alternating current I = 10 sin omega t flowing through a wire . The effective value of the resulting current will be

A direct current of 5 sqrt( 2) amp, is superimposed on an alternating current I = 10 sin omega t flowing through a wire. The effective value of the resulting current will be

A direct current of 5 amp is superimposed on an alternating current I=10 sin omega t flowing through a wire. The effective value of the resulting current will be:

A steady eletric current is flowing through a cylindrical wire :- (a) the electric field at the axis of wire is zero (b) the magnetic field at the axis of wire is zero (c) the electric field in the vicinity of wire is Zero. (d) the magnetic field in the vicinity of wire is Zero.

If a direct current of value 'a' ampere is supermposed on an alternating current I = b sin omega t flowing through a wire, what is the effective value of the resulting current in the circuit?

The average value of alternating current I=I_(0) sin omegat in time interval [0, pi/omega] is

A wire of length l is bent in the form of an equilateral triangle and carries an electric current i. (a) Find the magnetic field B at the centre. (b) If the wire is bent in the form of a square, what would be the value of B at the centre?

A wire has a length of 2.0m and a resistance of 5.0(Omega) .Find the electric field existing inside the wire if it carries a current of 10A.