Derive an expression for the maximum force experienced by a straight conductor of length 'l', carrying current 'I' and kept in a uniform magnetic field B.

Derive an expression for the maximum force experieced by a straight conductor of length 'l', carrying current 'I' and kept in a uniform magnetic field B.

Derive an expression for force experienced by a current carrying straight conductor placed in a magnetic field. How can we find the direction of force ?

Derive an expression for induced current, when a coductor of length l is moved with a uniform velocity v normal to the uniform magnetic field B. Assume the resistance of the conductor to be R.

Derive an expression for the force experienced by a current carrying conductor placed in a magnetic field. Under what condition the force is zero or maximum ?

Derive an expression for the magnetic field.at the centre of a current carrying coil.