Which of the following has negative charge:

Impedance in AC Circuit constitutes which of the following:

Ammeter should be always connected in ______ to the measuring circuit:

If the indoor fan speed is not reduced when the compressor speed is reduced, the suction pressure will _______

In a three phase supply system, each phase is _______ with each other:

In a 60 Hz ac circuit current wave, current value reaches to zero ______ times in a second

The speed of the motor can be varied by varying which of the following:

In which of the following energy is stored in the form of magnetic filed:

Which of the component is commonly used in a solid state relay:

Starting or large motor cause voltage to drop at the time of starting:

Single phase induction motors are not self starting motors:

1 watt power = _______ Btu

The start capacitor is taken out of the circuit once the motor is running:

In a series current which of the following quantity remains same:

The _____ is the amperage the motor draws at start-up before the rotor has started to turn

A 4 pole motor runs at ______ rpm: