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MHT CET Physics question

PhysicsMoving Charges and MagnetismMHT CET

A solenoid has length 0.4 cm, radius 1 cm and 400 turns of wire. If a current of 5 A is passed through this solenoid, what is the magnetic field inside the solenoid?

Answer: (B)

Solution

, so

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Question ID VK-078804