An air-solenoid has 500 turns of wire in its 40 cm length. If the current in the wire be 1.0 ampere
Channel: Doubtnut
Date: 2020-08-30

An air-solenoid has 500 turns of wire in its 40 cm length. If the current in the wire be 1.0 ampere then the magnetic field on the axis inside the solenoid is -