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Electrician Set-2
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28

Electronic Practice MCQ with Answers

28) What is the output DC voltage in half wave rectifier, if the input AC voltage is 24 volt?

24 Volt

12 Volt

9.6 Volt

10.8 Volt

Answer is:

10.8 Volt

Electronic Practice MCQ with Answers

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Related Electronic Practice MCQ with Answers

29) Why most of semi conductor devices are made by silicon compared to germanium?

High barrier voltage

High resistance range

High thermal conductivity

High current carrying capacity

Answer is:

High barrier voltage

30) What is the output voltage if the centre tap of transformer is open circuited in a full wave rectifier circuit?

Zero voltage

Full rated output

Half of the rated output

One fourth of rated output

Answer is:

Zero voltage

31) Which oscillator provides high accurate stable frequency?

Hartley oscillator

Colpitts oscillator

Quartz crystal oscillator

R.C phase shift oscillator

Answer is:

Hartley oscillator

32) What is the characteristic property of base material in a transistor?

Lightly doped and very thin

Heavily doped and very thin

Lightly doped and very larger

Heavily doped and very larger

Answer is:

Lightly doped and very thin

Electronic Practice MCQ with Answers

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