A straight horizontal conductor of length `L` meter and mass `m kg` carries a current `'I'` ampere. The minimum magnetic induction which must exist in the region to balance its weight

A straight horizontal wire of mass 10mg and length 1.0 m carries a current of 2.0 A. what minimum magnetic field B should be applied in the region so that the magnetic force on the wire may balance its weight?

A straight horizontal wire of mass 10mg and length 1.0 cm carries a current of 2.0 A. what minimum megnetic field B should be applied in the region so that the magnetic force on the wire may balance its weight?

A straight horizontal wire of mass 10mg and length 1.0 cm carries a current of 2.0 A. what minimum megnetic field B should be applied in the region so that the magnetic force on the wire may balance its weight?

What is the force on a conductor of length L carrying a current ''I'' placed in a magnetic field of induction B ? When does it become maximum ?

A wire of length l meter carrying current i ampere is bent in form of circle. Magnetic moment is

A wire of length l meter carrying current i ampere is bent in form of circle. Magnetic moment is

A horizontal wire 0*1m long having mass 3g carries a current of 5A . Find the magnitude of the magnetic field which must act 30^@ to the length of the wire inorder to support its weight.