Home Physics Alternating Current Mix An LC circuit contains a 40 mH inductor and …
Physics Alternating Current Mix MCQ (Single Correct)

An LC circuit contains a 40 mH inductor and a 25 µF capacitor. The resistance of the circuit is negligible. The time is measured from the instant the circuit is closed The energy stored in the circuit is completely magnetic at time (in milliseconds)

A
0, 3.14, 6.28
B
0, 1.57, 4.71
C
1.57 4717.85
D
1.573.1,4 71

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Text Solution

Verified by Experts
The correct answer is:
C

Here,

Substituting the given values, we get

Energy stored is completely electrical at times

Energy stored is completely magnetic at times

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