industrial electromagnet can be modeled as an RL circuit,

Chapter 3, Problem 7E

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QUESTION:

industrial electromagnet can be modeled as an RL circuit, while it is being energized with a voltage source. If the inductance is 10 H and the wire windings contain 3 ?of resistance, how long does it take a constant applied voltage to energize the electromagnet to within 90% of its final value (that is, the current equals 90% of its asymptotic value)?

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QUESTION:

industrial electromagnet can be modeled as an RL circuit, while it is being energized with a voltage source. If the inductance is 10 H and the wire windings contain 3 ?of resistance, how long does it take a constant applied voltage to energize the electromagnet to within 90% of its final value (that is, the current equals 90% of its asymptotic value)?

ANSWER:

SolutionStep 1 of 5In this problem we have to determine the time required to energize an electromagnet to 90% of its final value (90% of asymptotic value) by applying a constant voltage source.

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