AAI ATC Junior Executive 21 Feb 2023 Shift 2 Paper

Question : 87 of 120

Marks: +1, -0

A closely wound solenoid 80 cm long has 5 layers of windings of 400 turns each. The diameter of the solenoid is 1.8 cm. If the current carried is 8.0 A, the magnitude of the magnetic field inside the solenoid (near the centre) is: