List of top Physics Questions on Alternating current asked in GUJCET

In an ideal step up transformer, the number of turns in primary coil and secondary coil are 100 and 200 respectively. If output current is found to be 5A, then input current will be ______.
A charged 30 $\mu$F capacitor is connected to a 27 mH inductor. What is the angular frequency of free oscillations of the circuit?
A 15.0 $\mu$F capacitor is connected to a 220 V, 50 Hz source. Then capacitive reactance of the circuit is ______ $\Omega$.