Question

An ideal capacitor is fully charged and then connected with perfect conducting wires in parallel with...

An ideal capacitor is fully charged and then connected with perfect conducting wires in parallel with a 1500 mH ideal inductor. The frequency of the oscillations of this ideal circuit is 258 kHz. The value of the capacitor is

a. 254 pF

b. 374 pF

c. 122 pF

d. 404 pF

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Answer #1

We know angular frequency for a LC oscillation is given by the formula :

..........(1)

Where , f is the linear frequency.

Given

Therefore

Or,  

From equation 1 we have

Puting the given values and solving for C we will have:

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