Magnetic effect of current was discovered by

In hydrogen atom, an electron is revolving in the orbit of radius 0.53...

The magnetic induction due to an infinitely long straight wire carryin...

Two concentric circular coils of ten turns each are situated in the sa...

A long solenoid has a radius a and number of turns per unit length is ...

A cell is connected between two points of a uniformly thick circular c...

A long solenoid is formed by winding 20 turns cm^-1. What current is n...

A battery is connected between two points A and B on the circumference...

A current of one ampere is passed through a straight wire of length 2*...

A long copper tube of inner radius R carriers a current i. The magneti...

A straight wire of length (2pi^(2)) metre is carrying a current of 2A ...

The direction of magnetic field lines due to straight conductor carryi...

If the strength of the magnetic field produced 10cm away from a infini...

Due to 10 ampere of current flowing in a circular coil of 10 cm radius...

There are 50 turns of a wire in every cm length of a long solenoid. If...

A solenoid is 1.0 metre long and it has 4250 turns. If a current of 5....

A vertical wire kept in Z-X plane carries a current from Q to P (see f...

On meter length of wires carriers a constant current. The wire is bent...

In a hydrogen atom, an electron moves in a circular orbit of radius 5....

An arc of a circle of raduis R subtends an angle (pi)/2 at the centre....