An a.c source of frequency `1000 Hz` is connected to a coil of `(200)/(pi) mH` and negligible resistance. If effective current through the coil is `7.5 mA`, what is the voltage (in volt) across the coil ?

An Ac circuit with f=1000 Hz consists of a cail of 200 mH and negligible resistance. Calculate the voltage across the coil, if the effective current of 5 mA is flowing.

A 20volts AC is applied to a circuit consisting of a resistance and a coil with negligible resistance. If the voltage across the resistance is 12V , the voltage across the coil is

A 20volts AC is applied to a circuit consisting of a resistance and a coil with negligible resistance. If the voltage across the resistance is 12V , the voltage across the coil is

An alternating current source of frequency 100 Hz is joined to a series combination of a resistance, a capacitance and a coil in series. The potential difference across the coil, the resistance and the capacitor is 46, 40 and 8 volt respectively. What is the electromotive force of alternating current source in volt ?

A 400 mH coil of negligible resistance is connected to an AC circuit in which an effective current of 6 mA is flowing. Find out the voltage across the coil if the frequency is 1000 Hz.

A coil of infuvysnvr 'L' is connected to an a.c. source of emf E and frequency 'f'. The current in the coil is

A 100 Hz a.c. is flowing in a coil of inductance 10 mH. What is the reactance of the coil ?