An inductor of inductance 7.0 H and resistance 27 Q is connected in series with a battery of emf 12 V with negligible resistance. What is the maximum energy stored in the inductor? Select one: O A. 0.69 J ООВ. 0.75 J О С. 1.20 J O D. 1.50 J

An inductor of inductance 7.0 H and resistance 27 Q is connected in series with a battery of emf 12 V with negligible resistance. What is the maximum energy stored in the inductor? Select one: O A. 0.69 J ООВ. 0.75 J О С. 1.20 J O D. 1.50 J

Physics for Scientists and Engineers: Foundations and Connections

1st Edition

ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter33: Inductors And Ac Circuits

Section: Chapter Questions

Problem 84PQ

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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

An inductor of inductance 7.0 H and resistance 27 Q is connected in series with a battery of emf 12 V with negligible resistance. What is
the maximum energy stored in the inductor?
Select one:
O A. 0.69 J
ООВ. 0.75 J
О С. 1.20 J
O D. 1.50 J

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