Answered: An RL circuit has an emf given (in…

An RL circuit has an emf given (in volts) by 4 cos t, a resistance of 100 ohms, an inductance of 4 henries, and no initial current. Find the time when the current is 2 A for the first time.

Delmar's Standard Textbook Of Electricity

7th Edition

ISBN:9781337900348

Author:Stephen L. Herman

Publisher:Stephen L. Herman

Chapter21: Resistive-capacitive Series Circuits

Section: Chapter Questions

Problem 6RQ: A 15-F AC capacitor is connected in series with a 50 resistor. The capacitor has a voltage rating...

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5. An RL circuit has an emf given (in volts) by 4 cos t, a resistance of 100 ohms, an inductance
of 4 henries, and no initial current. Find the time when the current is 2 A for the first time.

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