A short bar magnet placed with its axis at 30° with an external field of 800 G experiences a torque of 0.016 Nm. The bar magnet is replaced by a solenoid of cross-sectional area 2 × 10-4 m2 and 1000 turns, but of the same magnetic moment. Determine the current flowing through the solenoid. If manetic moment of magnet is 0.40Am2.

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Answered: A short bar magnet placed with its axis…

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter11: Magnetic Forces And Fields

Section: Chapter Questions

Problem 88AP: A circular coil with 200 turns Las a radius of 2.0 cm. (a) What current through tire coil results in...

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A short bar magnet placed with its axis at 30° with an external field of 800 G experiences a torque of 0.016 Nm. The bar magnet is replaced by a solenoid of cross-sectional area 2 × 10^-4 m²and 1000 turns, but of the same magnetic moment. Determine the current flowing through the solenoid. If manetic moment of magnet is 0.40Am².

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