When an inductor is attached to a charged capacitor with little resistance betwe

Question

When an inductor is attached to a charged capacitor with little resistance between them, what determines the frequency that the voltage and current will oscillate in the simple circuit? The frequency is

A. proportional only to C

B. proportional to the small resistance R in the circuit.

C. the voltage on the capacitor at the beginning.

D. proportional to the inverse of the  square root of L times C, or

E. proportional only to  L

A. proportional only to C

B. proportional to the small resistance R in the circuit.

C. the voltage on the capacitor at the beginning.

D. proportional to the inverse of the  square root of L times C, or

E. proportional only to  L

Explanation / Answer

For oscillating RLC circuit, (R is very small)

w = 1/ sqrt(LC)

Ans: (D)

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