1 hp of motor draws 1000watts. What is the efficiency of the motor:

In a circuit supplying power to inductive load, Current waveform leads the voltage waveform:

Inductor and Capacitor are energy storing elements:

Power factor is the __ of the angle between voltage waveform and current waveform:

Starting currents of the induction Motor will be as high as __ FLA

A 60Hz ac generator designed to run at 60rev/sec would require how many magnetic poles:

A Face plate starter is used for the starting a:

The Coulomb is the unit of whch of the following : 

Which of the following quantity is used to measure from wheatstone bridge:

The box formation part of the wiring installation provided to contain joints in the conductors of the cable is called:

Which one of the following is the unit of Energy:

Which law relating to current being proportional to voltage in a circuit where physical conditions are unaltered is:

A single phase auto transformer has:

The back emf of a dc motor running under normal conditions is:

The force on a straight conductor 0.5 m long carrying a current of 200 A at right angles to the magnetic field of 0.1T is:

A 60 Hz a.c generator having 4 magnetic poles will have a synchronous speed of:

The gas inside the inner discharge tube of a sodium vapour lamp is:

When the lead acid cell is fully charged the color of its positive plate will be:

A 120 V, 40 W tungsten lamp has a working resistance of:

The abbreviation XLPE means a cable’s sheath is made of: