For a frequency of 200 Hz, the time period will be

In a series resonant circuit, the impedance of the circuit is

The phase difference between voltage and current wave through a circuit element is given as 30°. The essential condition is that

Capacitive reactance is more when

In a loss-free R-L-C circuit the transient current is

For the same peak value which of the following wave will ‘have the highest r.m.s. value ?

Capacitors for power factor correction are rated in

The input of an A.C. circuit having power factor of 0.8 lagging is 40 kVA The power drawn by the circuit is

The safest value of current the human body can carry for more than 3 second is

If two sine waves of the same frequency have a phase difference of JT radians, then

Pure inductive circuit takes power from the A.C. line when

Power factor of an inductive circuit is usually improved by connecting capacitor to it in

A sine wave has a frequency of 50 Hz. Its angular frequency is _______ radian/second

Form Factor is the ratio of

The form factor is the ratio of

Pure inductive circuit

A heater is rated as 230 V, 10 kW, A.C. The value 230 V refers to

Inductance affects the direct current flow

The square waveform of current has following relation between r.m.s. value and average value

In a highly capacitive circuit the