A resistance of 2/(t + 20) Q and inductance of 4 H are connected in series to a battery of unknown emf V. If the current is initially zero and is 50 A at the end of 2 seconds, find the unknown emf of the battery.
A resistance of 2/(t + 20) Q and inductance of 4 H are connected in series to a battery of unknown emf V. If the current is initially zero and is 50 A at the end of 2 seconds, find the unknown emf of the battery.
Delmar's Standard Textbook Of Electricity
7th Edition
ISBN:9781337900348
Author:Stephen L. Herman
Publisher:Stephen L. Herman
Chapter17: Resistive-inductive Series Circuits
Section: Chapter Questions
Problem 2PA: You are a journeyman electrician working in an industrial plant. Your task is to connect an inductor...
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![A resistance of 2/(t + 20) Q and inductance of 4 H are
connected in series to a battery of unknown emf V. If the
current is initially zero and is 50 A at the end of 2 seconds,
find the unknown emf of the battery.](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F2a017a83-14ba-42e0-bacb-104e84048651%2F0df30a97-0bbb-4eb5-95b9-f165d9763daf%2Fhdtlfu6b_processed.jpeg&w=3840&q=75)
Transcribed Image Text:A resistance of 2/(t + 20) Q and inductance of 4 H are
connected in series to a battery of unknown emf V. If the
current is initially zero and is 50 A at the end of 2 seconds,
find the unknown emf of the battery.
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