Question

An inductor of inductance $2\mu H$ is connected in series with a resistance, a variable capacitor and an AC source of frequency $7\ kHz$. The value of capacitance for which maximum current is drawn into the circuit is $\frac 1x$ F, where the value of $𝑥$ is ______. (Take $\pi=\frac {22}{7}$ )

Answer 1

The answer is 3872.