MHT CET 2026 Physics question
A solenoid of 1000 turns is wound uniformly on a glass tube 4 m long and 0.3 m in diameter. The magnetic intensity at the centre of the solenoid when a current of 4 Aflows through it is
Answer: (D)
Solution
The magnetic intensity inside a long solenoid is , where is the number of turns per unit length. turns/m. A/m, option (D). The diameter
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