Obtain an expression for power consumed in a LCR series circuit. Hence obtain an expression for power factor of the circuit.

Obtain an expression for critical speed of a satellite

Define the expression for power. State its unit.

The average power in LCR series cicuit is

State the law of parallelogram of vectors. (i) Obtain an expression for the magnitude of the resultant. (ii) Obtain an expression for the direction of the resultant.

Write down an expression for the resonant frequency of LC circuit.

Power factor is maximum in an LCR circuit when

Derive an expression for the instantaneous current in a parallel LC circuit. Obtain an expression for its impedance.

Attempt the following . What is a series LCR resonant circuit?State the condition forseriesresonance and obtain an expression for the resonant frequency of the circuit.

Power consumed in an A.C. circuit is zero if it is purely

In LCR series drcuit apparent power is