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Higher Study | Utilization of Electrical Energy

Which of the following relations is correct?
Which of the following is not a type of resistance welding?
Which of the following braking systems on the locomotives is costly?
Which of the following should be used for extinguishing electrical fires?
Which of the following methods of heating is not dependent on the frequency of supply?
Induction heating process is based on which of the following principles?
Which of the following will happen if the thickness of refractory wall of furnace is increased?
In dielectric heating, if the distance between electrodes is equal to half the wavelength at a given frequency then
The range of frequencies used in induction heating is
Power factor is highest in case of
An ideal traction system should have:
Dielectric heating is an industrial method employed for heating of:
LED lamp have a general life expectancy of
The electrical switches are put in the:
Sodium lamps are used in
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