In an A.C. circuit, a low value of kVAR compared with kW indicates –
In A.C. circuit laminated iron is invariably used in order to –
The ratio of active power to apparent power is known as ...... factor.
In an A.C. circuit power is dissipated in –
In a parallel R-C circuit, the current always .... the applied voltage.
At very two frequencies a series R-C circuit behaves as almost purely .....
The power is measured in terms of decibles in case of
The power taken by a 3 - f load is given by the expression –
For the full wave rectified sine wave the r.m.s. value is –
Which of the following waves has the highest value of peak factor ?
The frequency of domestic power supply in India is–
The negative maximum of a cosine wave occurs at –
Ohm is the unit of all of the following except –
The power factor of a D.C. circuit is always –
The product of apparent power and cosine of the phase angle between circuit voltage and current is –
While drawing vector diagram for a series circuit the reference vector is
In A.C. circuit the power curve is a sine wave having–
The value of operator j2 is equal to –
Higher the Q of a series circuit–
The ratio of the bandwidth to the resonance frequency is called the......of the circuit.
Which of the following statement is in-correct ?
A network is said to be non-linear if it does not satisfy –
Which of the following is not a non-linear element?
A coil with large distributed capacitance has a –
The dual of a loop is –