A 35.0 V battery with negligible internal resistance, a 50.02 resistor, and a 1.25 mH inductor with negligible resistance are all connected in series with an open switch. The switch is suddenly closed. a) How long after closing the switch will the current through the inductor reach one- half of its maximum value? b) How long after closing the switch will the energy stored in the inductor reach one- half of its maximum value?

A 35.0 V battery with negligible internal resistance, a 50.02 resistor, and a 1.25 mH inductor with negligible resistance are all connected in series with an open switch. The switch is suddenly closed. a) How long after closing the switch will the current through the inductor reach one- half of its maximum value? b) How long after closing the switch will the energy stored in the inductor reach one- half of its maximum value?

College Physics

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ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

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Electromagnets

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Question

A 35.0 V battery with negligible internal resistance, a 50.02 resistor, and a 1.25 mH
inductor with negligible resistance are all connected in series with an open switch. The
switch is suddenly closed.
a) How long after closing the switch will the current through the inductor reach one-
half of its maximum value?
b) How long after closing the switch will the energy stored in the inductor reach one-
half of its maximum value?

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Step 2: Calculation for time constant of an RL circuit.

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Step 3: Calculation for time in which current through the inductor reach one-half of its maximum value.

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Step 4: Calculation for time in which energy stored in inductor reach one-half of its maximum value.

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