College Physics
College Physics
11th Edition
ISBN: 9781305952300
Author: Raymond A. Serway, Chris Vuille
Publisher: Cengage Learning
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An electromagnet can be modeled as an inductor in series with a resistor. Consider a large electromagnet of inductance L = 11.0 H and
resistance R = 8.00 2 connected to a 12.0-V battery and switch as in the figure shown below. After the switch is closed, find the
following.
R
(a) the maximum current carried by the electromagnet
(b) the time constant of the circuit
(c) the time it takes the current to reach 95.0% of its maximum value
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Transcribed Image Text:An electromagnet can be modeled as an inductor in series with a resistor. Consider a large electromagnet of inductance L = 11.0 H and resistance R = 8.00 2 connected to a 12.0-V battery and switch as in the figure shown below. After the switch is closed, find the following. R (a) the maximum current carried by the electromagnet (b) the time constant of the circuit (c) the time it takes the current to reach 95.0% of its maximum value
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