2. The figure on the right shows an RL circuit which can be used to generate time-varying high voltage from a low- voltage source. a. What is the current in the circuit a long time after the switch has been in position a? b. Now the switch is thrown quickly from a to b. Compute the initial voltage across each resistor and across the inductor. c. How much time elapses before the voltage across the inductor drops to 12.0 V? 2.00 H 12.0 V 1200 2 12.0 2 ll

2. The figure on the right shows an RL circuit which can be used to generate time-varying high voltage from a low- voltage source. a. What is the current in the circuit a long time after the switch has been in position a? b. Now the switch is thrown quickly from a to b. Compute the initial voltage across each resistor and across the inductor. c. How much time elapses before the voltage across the inductor drops to 12.0 V? 2.00 H 12.0 V 1200 2 12.0 2 ll

Physics for Scientists and Engineers: Foundations and Connections

1st Edition

ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter33: Inductors And Ac Circuits

Section: Chapter Questions

Problem 33PQ

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Question

2. The figure on the right shows an RL circuit which can be
used to generate time-varying high voltage from a low-
voltage source.
a. What is the current in the circuit a long time after the
switch has been in position a?
b. Now the switch is thrown quickly from a to b.
Compute the initial voltage across each resistor and
across the inductor.
9.
2.00 H
1200 2
12.0 V
c. How much time elapses before the voltage across the
inductor drops to 12.0 V?
12.0 2

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