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WCS Set-1
Basic Electricity
19

Basic Electricity MCQ with Answers

19) Which is equal to electric power?

R²I watts

I²R watts

RI

IRA

Answer is:

I²R watts

Basic Electricity MCQ with Answers

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Related Basic Electricity MCQ with Answers

20) How much power does it consumes if an electric heater draws a current of 10 amps at 200 volts?

2000 watts

2010 watts

2020 watts

2030 watts

Answer is:

2000 watts

21) What is the resistance of an electric iron if the rating of electric iron is 220 V and 500 watts?

94.8 ohms

95.8 ohms

96.8 ohms

97.8 ohms

Answer is:

96.8 ohms

22) What is the voltage of the immersion heater?
P = 500 watts
I = 2.27 Amps
V = ______Volts

200.3 volts

210.3 volts

220.3 volts

230.3 volts

Answer is:

220.3 volts

23) What is the unit of intensity of magnetic field?

wb/m

m/wb

Hertz

Coloumb

Answer is:

wb/m

Basic Electricity MCQ with Answers

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