Essay
LR circuits: For the circuit shown in the figure, the inductors have no appreciable resistance and the switch has been open for a very long time. 
(a) The instant after closing the switch, what is the current through the 60.0-Ω resistor?
(b) The instant after closing the switch, what is the potential difference across the 15.0-mH inductor?
(c) After the switch has been closed and left closed for a very long time, what is the potential drop across the 60.0-Ω resistor?
Correct Answer:
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(a) 1.43 A...View Answer
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Correct Answer:
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