12.0-V battery, and inductor, a 16.2-Ω resistor, a 40.0-Ω resistor, and another resistor of unknown resistance, R.  After the switch in the figure below has been closed for a long time, the current in the inductor is 0.237 A.  Suppose the inductor is a solenoid which has 394 turns, a circular cross-section of radius 0.0296 m, and a length of 84.7 cm.   (1) Find the inductance L of the inductor. (2) Find the value of the resistance, R.   (3) Find the energy stored in the inductor a long time after the switch is closed

Introductory Circuit Analysis (13th Edition)
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ISBN:9780133923605
Author:Robert L. Boylestad
Publisher:Robert L. Boylestad
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The circuit shown below consists of a 12.0-V battery, and inductor, a 16.2-Ω resistor, a 40.0-Ω resistor, and another resistor of unknown resistance, R.  After the switch in the figure below has been closed for a long time, the current in the inductor is 0.237 A.  Suppose the inductor is a solenoid which has 394 turns, a circular cross-section of radius 0.0296 m, and a length of 84.7 cm.  

(1) Find the inductance L of the inductor.

(2) Find the value of the resistance, R.  

(3) Find the energy stored in the inductor a long time after the switch is closed.

(4) Find the time, t, required for the current in the battery to increase from 0 to 0.0825 A.

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Transcribed Image Text:TO V82) 40.052. eeeee n 12.0V
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(4) Find the time, t, required for the current in the battery to increase from 0 to 0.0825 A

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