An air-cored solenoid with length 30cm, area of cross-section 25cm^2 and number of turns 800, carrie @PhysicsMasterAcademy

Uploaded January 2026 | Updated September 2026, 3 weeks ago

An air-cored solenoid with length 30cm, area of cross-section 25cm^2 and number of turns 800, carries a current of 2.5A. The current is suddenly switched off in a brief time of 10^-3s. Ignoring the variation in magnetic field near the end of the solenoid the average back emf induced across the ends of the open switch in the circuit would be | class 12 cbse 2021-22 solution chapter- Electromagnetic Induction solution by ujwal Kumar physics master | physics master academy is best coaching for all physics students. | ujwal kumar is best physics teacher of neet, JEE-Mains in delhi
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