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NPCIL Electrical Engineering Interview Questions
Questions Answers Views Company eMail

60 watts bulb and resistor home heater is connected in series and 230v is given to the circuit. The heater is giving some amount of heat. If instant of 60 watts bulb replace 100 watts bulb what will be the output of the heater?

2 4836

What is ics,icu,icw of load breaker

5 105419

what is spill current?

4 37946

Can Superposition theorem be applied to AC Circuits?Can Thevenin's Theorem be applied to AC Circuit too?

6 18674

Phase control and integral control are used for?

1748

What is the gain of 1-s/1=s at 1 rad/sec?

3 5920

What will happen to magnitude of voltage of other two phases if one phasw will touch the ground?

3 4815

What are the factors considered for the selection of cable?

6 32807

What will happen if we do not provide earthing to the newtral of a power system ?

2 4730

What is the difference between newtral earthing and body earthing?

3 5589

why voltage coil in wattmeter called as pressure coil why the pressure term is used in wattmeter?

1 7705

what is hourly consumption of coal in therma plant

2 4026

what effect will 10 milliampere current cause to human body

1 3599

how to increase senstivity of ct

1898

to transmit 30kw of power at 30 km what is voltage required

2 7023

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