The core of the electo-magnet is made from:

The letter ‘p’ and ‘n’ preceding a semi conductor diode refers to a:

If 5 Amps Current is passed through 10 ohms resistor, then the power dissipated will be:

The twisted effect produced by the shaft of a motor is called:

The purpose of PVC covering the mineral insulated cables is to protect against:

Nacl solution is used to reduce the resistance of the grounding or earthing system:

In large synchronous generators hydrogen cooling is employed to cool the machine:

Thermal power plants will be having efficiency of the order:

The ratio of (Useful power output) / (Total power Input) is called __

In an electrical machines power loss caused by rhythmical reversals of magnetism create:

Pyrometer is used to measure which of the following quantity: 

The Zinc plate corrosion of a primary cell is called as:

Two electrodes used in the construction of lead acid cell are:

When two or more cables are contained in a single conduit, they are said to be:

The abbreviation PVC means cable’s insulation is made up of:

5 HP motor is equal to __ Watts in power

If the transformation ratio of the transformer is given as 10:1, then which of the following is true:

The energy possessed by a body due to its motion is:

In an instrument transformer the load on the secondary side is called as:

To obtain the direct measurements of output and efficiency of the motor which of the following test is necessary: