An oscillating LC circuit has a resonant frequency of 1.2 × 10 6 Hz. The diagram shows the system at t = 0 s when there is no charge on the capacitor and the current is in the direction shown. At this time, the energy stored in the inductor is 2.5 × 10 - 7 J.
-Determine the value of the current at the instant shown in the drawing.
A)0.02 A
B)0.03 A
C)0.05 A
D)0.09 A
E)0.12 A

Question

An oscillating LC circuit has a resonant frequency of 1.2 × 10 6 Hz. The diagram shows the system at t = 0 s when there is no charge on the capacitor and the current is in the direction shown. At this time, the energy stored in the inductor is 2.5 × 10 - 7 J. 
-Determine the value of the current at the instant shown in the drawing.
A)0.02 A 
B)0.03 A 
C)0.05 A 
D)0.09 A 
E)0.12 A

Quizplus · Accepted Answer

The value of the current at the instant shown in the drawing is 0.05 A, as indicated by the correct choice.

An Oscillating LC Circuit Has a Resonant Frequency of 1