SSC JE Electrical 2018 with solution SET-1
 Which one of the following statement is NOT true about PMMC type instruments?

The cost of PMMC instruments is high
PMMC type Instruments have uniformly divided scale
Stray magnetic errors are small in these types of instruments
These instruments are suitable for both AC and DC currents

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SSC JE Electrical 2018 with solution SET-1
 A zero watt Lamp consumes

About 5 to 7 W power
About 15 to 20 W power
About 25 to 30 W  Power
No power

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SSC JE Electrical 2018 with solution SET-1
 If a fixed amount of power is to be transmitted over a certain length with the fixed power loss then_____,

The weight of the conductor required will be proportional to the voltage
The weight of the conductor required will be inversely proportional to the square of the voltage and that of the power factor of the load
The weight of the conductor required will be inversely proportional to the voltage and that of the power factor of the load
The weight of the conductor will be proportional to the square of the voltage and directly proportional to the power factor of the load.

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