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Electrician
Electrician Set-2
Basic Electrical Practice
1

Basic Electrical Practice MCQ with Answers

1) How many electrons are there in the third cell of the copper atom?

8

13

18

29

Answer is:

18

Explanation:

18 electrons are there in the third shell of copper atom.

How many electrons are there in the third cell of the copper atom?

Basic Electrical Practice MCQ with Answers

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Related Basic Electrical Practice MCQ with Answers

2) Which is the semiconductor material?

Eureka

Ebonite

Manganin

Germanium

Answer is:

Germanium

3) What is the indication of neon polarity indicator used for checking A.C. supply?

Both electrodes will glow

Only one electrode will glow

Both electrodes will be flickering

One electrode will glow and another will be flickering

Answer is:

Both electrodes will glow

4) Calculate the electrical energy in unit consumed by 500W lamp for 5 hours.

0.5 unit

1.0 unit

1.5 unit

2.5 unit

Answer is:

2.5 unit

5) What is the value of hot resistance of a bulb rated as 100W/250V?

31.25 ohm

62.50 ohm

312.50 ohm

625 ohm

Answer is:

625 ohm

Basic Electrical Practice MCQ with Answers

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