Answered: A 60 V emf is produced in a 12 H…

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A 60 V emf is produced in a 12 H inductor. Calculate the rate at which the current is changing in the inductor.

Physics for Scientists and Engineers with Modern Physics

10th Edition

ISBN:9781337553292

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter31: Inductance

Section: Chapter Questions

Problem 1P

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Concept explainers

Electromagnets

The word "electromagnet" is composed of two words, ‘electro’ and ‘magnet’. It is a type of magnet in which an electric current helps in the generation of a magnetic field. Electromagnets usually consist of two major parts, wire and a coil around which the wire is wound. This is called a solenoid. When an electric current is allowed to pass through the coiled wire, the electric current produces a magnetic field. This magnetic field is present only when current is passing through the wire.

Question

A 60 V emf is produced in a 12 H inductor. Calculate the rate at which the current is changing in the inductor.

-5.0 A/s.

-0.20 A/s.

-2.5 A/s.

-8.4 A/s.

+0.20 A/s.

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