A 5-µF capacitor is charged to 30 V and is then connected across a 10-µH inductor.The frequency of oscillation of the energy stored in the electric field of the capacitor and the magnetic field of the inductor is A)1.41 $\times$ 10⁵ Hz B)7.07 $\times$ 10⁴ Hz C)2.25 $\times$ 10⁴ Hz D)3.18 $\times$ 10⁹ Hz E)2.00 $\times$ 10¹⁰ Hz

Question

Quizplus · Accepted Answer

The frequency of oscillation in an LC circuit is given by:
f = 1/2π√(LC)
where L is the inductance and C is the capacitance.
Substituting the given values, we get:
f = 1/2π√(10×10^-6 × 5×10^-6) = 2.25×10^4 Hz = 22.5 kHz
Therefore, the answer is option C.

A 5-µF Capacitor Is Charged to 30 V and Is ×\times×

A 5-µF Capacitor Is Charged to 30 V and Is $\times$