A circuit comprises an inductor of 9 H of negligible resistance connected in series with a 60 Ω resistor and a 240 V dc source. Determine the following: (a) The time constant in seconds. (b) The current after 1 time constant. (c) Time to develop maximum current in seconds.

A circuit comprises an inductor of 9 H of negligible resistance connected in series with a 60 Ω resistor and a 240 V dc source. Determine the following: (a) The time constant in seconds. (b) The current after 1 time constant. (c) Time to develop maximum current in seconds.

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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Question

A circuit comprises an inductor of 9 H of negligible resistance connected in series with a 60 Ω resistor and a 240 V dc source. Determine the following:

(a) The time constant in seconds.

(b) The current after 1 time constant.

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