List of top Physics Questions on AC Voltage Applied to a Series LCR Circuit

An AC voltage \[ V=220\sin(2\times10^{3}t)\ \text{Volt} \] is applied to a series LCR circuit. Then the current amplitude in the circuit is: Given: \[ L=10\,\text{mH},\quad C=25\,\mu\text{F},\quad R=100\,\Omega \]

An inductor of 500 mH is in series with a resistance and a variable capacitor connected to a source of frequency 0.4 kHz. The value of capacitance of the capacitor to get a maximum current will be