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Electrician
Electrician Set-2
Basic Electrical Practice
21

Basic Electrical Practice MCQ with Answers

21) Which is the application of series circuit?

Fuse in circuit

Voltmeter connection

Electrical lamp in homes

Shunt resistor in ammeter

Answer is:

Fuse in circuit

Basic Electrical Practice MCQ with Answers

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Related Basic Electrical Practice MCQ with Answers

22) Which method is used for measuring 1 Ohm to 100K Ohm range resistance?

Substitution method

Kelvin bridge method

Wheat stone bridge method

Voltmeter and ammeter method

Answer is:

Wheat stone bridge method

23) What is the S.I unit of specific resistance?

Ohm/cm

Ohm/metre²

Ohm-metre

Micro ohm/cm²

Answer is:

Ohm-metre

24) Which electrical quantity affects the heat generated in a conductor?

Voltage

Square of the current

Square of the resistance

Current passed through it

Answer is:

Square of the current

25) What is the change in value of resistance of the conductor, if its cross section area is doubled?

No change

Decreases 2 times

Increases 2 times

Decreases 4 times

Answer is:

Decreases 4 times

Basic Electrical Practice MCQ with Answers

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