in an electric motor, a coil with 104 turns of radius 1.90 cm can rotate between the poles of a magnet. The magnetic field magnitude is 0.200 T. When the current through the coil is 57.7 mA, what is the maximum torque that the motor can deliver? 1N-m

in an electric motor, a coil with 104 turns of radius 1.90 cm can rotate between the poles of a magnet. The magnetic field magnitude is 0.200 T. When the current through the coil is 57.7 mA, what is the maximum torque that the motor can deliver? 1N-m

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Question

In an electric motor, a coil with 104 turns of radius 1.90 cm can rotate between the poles of a magnet. The magnetic field magnitude is
0.200 T. When the current through the coil is 57.7 mA, what is the maximum torque that the motor can deliver?
N.m

Expert Solution

Step 1

number of turns = n = 104

radius = r = 1.9 cm = 0.019 m

magnetic field = B = 0.2 T

Current = i = 57.7 m A

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