Do you know that a magnetic field is produced around a current carrying wire?

Can you suggest an experiment to draw magnetic field lines of the magnetic field around the current carrying wire?

Find the expression for the magnetic field produced by a current carrying solenoid.

What is the source of a magnetic force in a current carrying wire?

Do you know solenoid? Can you compare the magnetic field due to a current carrying solenoid with that due to a bar magnet?

What is a solenoid? Explain with a diagram Refer to the magnetic field produced by a current carrying solenoid.

How does magnetic field due to current carrying conductor vary?

The magnetic field at the centre of the current carrying coil

The strength of the magnetic field at a point r near a long straight current carrying wire is B . The field at a distance r/2 will be

The magnetic field near a current carrying conductor is given by

What is a toroid? With neat labelled diagram, describe the magnetic field produced by current carrying toroid.