Answered: (L11) The current flowing through a…

(L11) The current flowing through a 3.64E-3 H inductor increases from 3.50 A to 9.62 A. What is the work done by the current to the inductor (in J)?

College Physics

1st Edition

ISBN:9781938168000

Author:Paul Peter Urone, Roger Hinrichs

Publisher:Paul Peter Urone, Roger Hinrichs

Chapter23: Electromagnetic Induction, Ac Circuits, And Electrical Technologies

Section: Chapter Questions

Problem 57PE: The 4.00 A current through a 7.50 mH inductor is switched off in 8.33 ms. What is the emf induced...

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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.

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(L11) The current flowing through a 3.64E-3 H inductor increases from
3.50 A to 9.62 A. What is the work done by the current to the inductor (in
J)?

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The 4.00 A current through a 7.50 mH inductor is switched off in 8.33 ms. What is the emf induced opposing this?
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