An experimenter is working in his laboratory with an electromagnet, as shown in the figure. He notices that whenever he turns off the electromagnet, it appears a large spark across the switch contacts. explain the spark occurrence. Suggest a way to express the spark by adding some element.

An experimenter is working in his laboratory with an electromagnet, as shown in the figure. He notices that whenever he turns off the electromagnet, it appears a large spark across the switch contacts. explain the spark occurrence. Suggest a way to express the spark by adding some element.

Electricity for Refrigeration, Heating, and Air Conditioning (MindTap Course List)

10th Edition

ISBN:9781337399128

Author:Russell E. Smith

Publisher:Russell E. Smith

Chapter7: Alternating Current, Power Distribution, And Voltage Systems

Section: Chapter Questions

Problem 7RQ

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Question

An experimenter is working in his laboratory with an electromagnet, as shown in the figure. He notices that whenever he turns off the electromagnet, it appears
a large spark across the switch contacts. explain the spark occurrence. Suggest a way to express the spark by adding some element.

vs(t)
Interruptor t = 0
ota
192
ww
10 mH

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