Microphones are used to convert sound vibrations to electrical signals. In one kind of microphone, sound waves move a coil of wire up and down in a magnetic field, as shown in (Figure 1). The coil shown has a diameter of 1.8 cm and has 100 turns; the 0.010 T magnetic field points radially out from the north pole to the south. Part A If the microphone's emf at some instant is 20 mV, what is the speed of the coil? Express your answer with the appropriate units. HA ? x" X X•10" m Value Submit Previous Answers Request Answer 個

Microphones are used to convert sound vibrations to electrical signals. In one kind of microphone, sound waves move a coil of wire up and down in a magnetic field, as shown in (Figure 1). The coil shown has a diameter of 1.8 cm and has 100 turns; the 0.010 T magnetic field points radially out from the north pole to the south. Part A If the microphone's emf at some instant is 20 mV, what is the speed of the coil? Express your answer with the appropriate units. HA ? x" X X•10" m Value Submit Previous Answers Request Answer 個

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter13: Electromagnetic Induction

Section: Chapter Questions

Problem 33P: A single-turn circular loop of wire of radius 50 mm lies in a plane perpendicular to a spatially...

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