In an `LR`-circuit, the inductive reactance is equal to the resistance `R` of the circuit. An e.m.f `E=E_(0)cos (omegat)` applied to the circuit. The power consumed in the circuit is

For an AC circuit V=15sin omegat and I=20cos omegat the average power consumed in this circuit is

In an AC circuit the voltage applied is E = E_(0) sin omega t . The resulting current in the circuit is I = I_(0) sin (omega t - (pi)/(2)) . The power consumption in the circuit is given by

The e.m.f. and the current of an A.C. circuit are e=5cos omega t volt and I=2sin omega t ampere respectively. The power consumed in the circuit is

The induced e.m.f in a circuit

In a circuit, the reactance X and resistance R are equal. What is the power factor ?

In an a.c. Circuit the voltage applied is E=E_(0) sin (omega)t . The resulting current in the circuit is I=I_(0)sin((omega)t-(pi/2)) . The power consumption in the circuit is given by

In a seris LCR circuit, the inductive reactance (X_(L)) is 10 Omega and the capacitive reactance (X_(C)) is 4 Omega . The resistance (R) in the circuit is 6 Omega. The power factor of the circuit is :