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In the diagram below the capacitor has a capacitance of 93 F and the inductor ha

ID: 1764281 • Letter: I

Question

In the diagram below the capacitor has a capacitance of 93F and the inductor has an inductance of 81 mH.Initially the capacitor has a voltage of 12 V. This circuit has noresistance.

A. How much charge does the capacitor initiallyhave?
1 C
B. How much energy does the capacitor initiallyhave?
2 J
C. What is the maximum current that will passthrough the inductor?
3 A
D. This kind of circuit can best be described asa...

4

Series RCL Circuit
Parallel Circuit    
Simple Harmonic Oscillator
Semiconductor Device

Explanation / Answer


(a)    the charge the capacitor initially haveis given by    Q = C V        = (93 F) (12 V)        = ...... C (b)    energy = (1 / 2) (Q2 / C)               =......... J (c)    at maximum stage    (1 / 2) (Q2 / C) = (1 / 2) LImax2    the maximum current that will pass through theinductor will be    Imax = Q / (L C) (d)    this kind of circuit can best be describedas a simple harmonicoscillator    the maximum current that will pass through theinductor will be    Imax = Q / (L C) (d)    this kind of circuit can best be describedas a simple harmonicoscillator