When an inductor L and resistor R in series are connected across a 12 volts 50 Hertz supply a current of 0.5 ampere flows in thecircuit the circuit current differs in phase from applied voltage by `pi/3` Calculate the value R.

When an inductor L and a resistor R in series are connected across a 12V, 50Hz supply of current of 0.5 A flows in a circuit. The current differs in phase from applied voltage to pi/3 radins calculate the value of R.

When a series combination of inductance and resistance are conneted with a 10 V, 50 Hz a.c. source, a current of 1 A flows in the circuit. The voltage leads the current by a phase angle of pi//3 radian. Calculate the values of resistance and inductance.

When a 12 V battery is connected across an unknown resistor, there is a current of 2.5 mA in the circuit. Find the value of the resistance of resistor?

A choke of 0.5 henry, a capacitor of 15muF and resistance of 100 ohm are connected in series across 200 volt, 50 hertz main. Find current in the ciruit.