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Automotive Technology: A Systems A...

6th Edition
Jack Erjavec + 1 other
ISBN: 9781133612315

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Chapter
Section
BuyFindarrow_forward

Automotive Technology: A Systems A...

6th Edition
Jack Erjavec + 1 other
ISBN: 9781133612315
Textbook Problem

Briefly explain counter EMF and how it relates to motor operation.

To determine

The term counter EMF and its relation with starting a motor.

Explanation

The term counter EMF is also known as the back electromotive force used to oppose the change in the direction of the current. In a starting motor, the amount of torque needed to crank the engine depends on the magnetic field induced due to the current passing in the coil. When the armature rotates in a magnetic field a small amount of self-generated voltage is induced in it...

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