SSC JE Electrical 2018 with solution SET-1
For Proper Operation of the transistor, its collector should have

Very small size
Proper Forward Bias
Proper Reverse Bias
None of these

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SSC JE Electrical 2018 with solution SET-1
Direct resistance Heating is used in

Resistance Welding
Salt-Bath furnace
All of these
Electrode Boiler

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SSC JE Electrical 2018 with solution SET-1
 What will be the value of average power (in Watt) of a sinusoidal voltage applied across a series circuit is 20 sinωt V and the current flowing the circuit is 10 sin(ωt + 60)A?

50
60
80
100

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SSC JE Electrical 2018 with solution SET-1
 In a P-N junction, the potential barrier is due to the charges on either side of the junction. These charges are

Fixed donor and acceptor ions
Minority carriers
Both majority as well as minority carriers
Majority carriers

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SSC JE Electrical 2018 with solution SET-1
 In cables, the thickness of the layer of insulation on the conductor depends upon

Reactive Power
Power Factor
Voltage
Current carrying capacity

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