In an LC oscillation, the inductor has maximum potential difference 16 V and maximum energy 640 µJ. Find the capacitance in µF.
Options

Question

In an LC oscillation, the inductor has maximum potential difference 16 V and maximum energy 640 µJ. Find the capacitance in µF.

G1 Physics · Accepted Answer

At maximum capacitor voltage, Uₘₐₓ=½CV². Thus C=2U/V²=2(640×10⁻⁶)/16²=5×10⁻⁶ F=5 µF.