A flat circular coil of 1200 turns and of mean radius 8.0 mm is connected to an ammeter of negligible resistance. The coil has a resistance of 6.3 2. The plane of the coil is placed at right angles to a magnetic field of flux density 0.15 T from a solenoid. The current in the solenoid is switched off. It takes 20 ms for the magnetic field to decrease from its maximum value to zero. Calculate: a the average magnitude of the induced e.m.f. across the ends of the coil b the average current measured by the ammeter. uniform magnetic field from solenoid (out of plane of paper) A coil with 1200 turns 8.0mm
A flat circular coil of 1200 turns and of mean radius 8.0 mm is connected to an ammeter of negligible resistance. The coil has a resistance of 6.3 2. The plane of the coil is placed at right angles to a magnetic field of flux density 0.15 T from a solenoid. The current in the solenoid is switched off. It takes 20 ms for the magnetic field to decrease from its maximum value to zero. Calculate: a the average magnitude of the induced e.m.f. across the ends of the coil b the average current measured by the ammeter. uniform magnetic field from solenoid (out of plane of paper) A coil with 1200 turns 8.0mm
Physics for Scientists and Engineers: Foundations and Connections
1st Edition
ISBN:9781133939146
Author:Katz, Debora M.
Publisher:Katz, Debora M.
Chapter32: Faraday’s Law Of Induction
Section: Chapter Questions
Problem 63PQ
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