A 25 watt lamp is connected to a.c. potential of peak value 100 V. Calculate the r.m.s. value of the current.

A 60 watt lamp is connected to an alternating e.m.f. of peak value 230 volt. Find the peak value of current flowing through the lamp.

The ratio of peak value and r.m.s. value of an alternating current is

The r.m.s.value of an alternating current is

What is peak value and r.m.s. value of alternating current?

The peak value of an alternating voltage is 350 V. Calculate its r.m.s. value.

An inductor of inductance 200 mH is connected to an AC source of peak emf 210 V and frequency 50 Hz.Calculate the peak current. What is the instantaneous voltage of the source when the current is at its peak value?

A alternating e.m.f. e = 200 sin (100 pit) is connected across a resistor of resistance 10 Omega . Calculate the r.m.s. current flowing through the circuit.

A capacitor of 100 muF, a coil of resistance 50 Omega and an inductance 0.5 H are connected in series with a 110 V-50 HZ source. Calculate the mis value of current in the circuit.