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The current in a 30 mH inductor is known to be 7+ (15 sin 140t 35 cos 140t) e 20 mA for t≥0. Assume the passive sign convention. Part A At what instant of time is the voltage across the inductor maximum? Express your answer with the appropriate units. t = 0.0142 НА S Submit Previous Answers Request Answer × Incorrect; Try Again Part B What is the maximum voltage? Express your answer with the appropriate units. ? ? v = 132.98 V Submit Previous Answers Request Answer × Incorrect: Try Again Provide Feedback

The current in a 30 mH inductor is known to be 7+ (15 sin 140t 35 cos 140t) e 20 mA for t≥0. Assume the passive sign convention. Part A At what instant of time is the voltage across the inductor maximum? Express your answer with the appropriate units. t = 0.0142 НА S Submit Previous Answers Request Answer × Incorrect; Try Again Part B What is the maximum voltage? Express your answer with the appropriate units. ? ? v = 132.98 V Submit Previous Answers Request Answer × Incorrect: Try Again Provide Feedback

Delmar's Standard Textbook Of Electricity
Delmar's Standard Textbook Of Electricity
7th Edition
ISBN:9781337900348
Author:Stephen L. Herman
Publisher:Stephen L. Herman
Chapter19: Capacitors
Section: Chapter Questions
Problem 14RQ: A postage stamp mica capacitor has the following color marks starting at the upper left dot: yellow,...
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The current in a 30 mH inductor is known to be 7+ (15 sin 140t 35 cos 140t) e 20 mA for t≥0. Assume the passive sign convention. Part A At what instant of time is the voltage across the inductor maximum? Express your answer with the appropriate units. t = 0.0142 НА S Submit Previous Answers Request Answer × Incorrect; Try Again Part B What is the maximum voltage? Express your answer with the appropriate units. ? ? v = 132.98 V Submit Previous Answers Request Answer × Incorrect: Try Again Provide Feedback
Transcribed Image Text:The current in a 30 mH inductor is known to be 7+ (15 sin 140t 35 cos 140t) e 20 mA for t≥0. Assume the passive sign convention. Part A At what instant of time is the voltage across the inductor maximum? Express your answer with the appropriate units. t = 0.0142 НА S Submit Previous Answers Request Answer × Incorrect; Try Again Part B What is the maximum voltage? Express your answer with the appropriate units. ? ? v = 132.98 V Submit Previous Answers Request Answer × Incorrect: Try Again Provide Feedback
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