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Power Electronics interview questions
Power Electronics interview questions
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Total Questions: 5
1. Which of the following statements are true?
A. Power is proportional to Voltage
B. Power is proportional to current
C. Neither of the statements are right
D. Both the statements are right
Show Correct Answer
Correct Answer is :
Both the statements are right
2. A 250V bulb passes a current of 0.3A. Calculate the power in the lamp.
A. 75W
B. 50W
C. 25W
D. 90W
Show Correct Answer
Correct Answer is :
75W
3. Kilowatt-hour(kWh) is a unit of?
A. Current
B. Power
C. Energy
D. Resistance
Show Correct Answer
Correct Answer is :
Energy
4. Calculate the work done in a resistor of 20 ohm carrying 5A of current in 3 hours.
A. 1.5J
B. 15J
C. 1.5kWh
D. 15kWh
Show Correct Answer
Correct Answer is :
1.5kWh
5. The SI unit of power is?
A. kW(kilo-watt)
B. J/s(joules per second)
C. Ws(watt-second)
D. J/h(joules per hour
Show Correct Answer
Correct Answer is :
J/s(joules per second)
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