Assume an inductor with inductance L through which passes a current varying as a function oftime as follows:I(t) = 15²-47 tAt what time does the induced fem reach a value of zero?a) t = 3.1333 sb) t= 1.5667 sc) t = 6.2667 sd) t = 0.6383 s

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Assume an inductor with inductance L through which passes a current varying as a function of time as follows: I(t) = 15t² - 47 t At what time does the induced fem reach a value of zero? a) t= 3.1333 s b) t= 1.5667 s c) t = 6.2667 s d) t= 0.6383 s

Assume an inductor with inductance L through which passes a current varying as a function of time as follows: I(t) = 15t² - 47 t At what time does the induced fem reach a value of zero? a) t= 3.1333 s b) t= 1.5667 s c) t = 6.2667 s d) t= 0.6383 s

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter14: Inductance

Section: Chapter Questions

Problem 39P: A coil with a self-inductance of 2.0 H carries a current that varies with time according to I(t) =...

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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

Assume an inductor with inductance L through which passes a current varying as a function of
time as follows:
I(t) = 15²-47 t
At what time does the induced fem reach a value of zero?
a) t = 3.1333 s
b) t= 1.5667 s
c) t = 6.2667 s
d) t = 0.6383 s

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