In the circuit below, the switch was opened at t-0 after being closed for a long time. How many Joules of energy does the t= 0 20 30 + 26 - i 12 V 4 mH v 320 inductance (coil) initially store? O A) 4 mJ OB) 1 mJ OC) 2 mJ O D) 8 mJ O E) 16 mJ

Delmar's Standard Textbook Of Electricity
7th Edition
ISBN:9781337900348
Author:Stephen L. Herman
Publisher:Stephen L. Herman
Chapter18: Resistive-inductive Parallel Circuits
Section: Chapter Questions
Problem 1PA: Incandescent lighting of 500 W is connected in parallel with an inductive load. A clamp-on ammeter...
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In the circuit below, the switch was opened at t=0 after being closed for a long time. How many Joules of energy does the
t = 0
+
26 -
12 V
4 mH
v 20
inductance (coil) initially store?
O A) 4 mJ
B) 1 mJ
ОС) 2 m.J
O D) 8 mJ
O E) 16 mJ
Transcribed Image Text:In the circuit below, the switch was opened at t=0 after being closed for a long time. How many Joules of energy does the t = 0 + 26 - 12 V 4 mH v 20 inductance (coil) initially store? O A) 4 mJ B) 1 mJ ОС) 2 m.J O D) 8 mJ O E) 16 mJ
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