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Diode, Rectifier, Filter, Zener diode, Transistor and Amplifiers
7

Diode, Rectifier, Filter, Zener diode, Transistor and Amplifiers MCQ with Answers

7) Which impurity is added to pure semiconductor to form ?N-type? material?

Boron

Indium

Arsenic

Gallium

Answer is:

Arsenic

Diode, Rectifier, Filter, Zener diode, Transistor and Amplifiers MCQ with Answers

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Related Diode, Rectifier, Filter, Zener diode, Transistor and Amplifiers MCQ with Answers

8) What is the name of the process of converting AC into DC voltage?

Inverting

Rectifying

Amplifying

Demodulating

Answer is:

Rectifying

9) What is the output pulse frequency of the full wave rectifier with input frequency of 50 Hz?

40 Hz

60 Hz

100 Hz

200 Hz

Answer is:

100 Hz

10) What is the disadvantage of the two diode full wave rectifier compared with a bridge rectifier?

DC output level is higher

The ripple frequency is higher

The need of centretapped transformer

Each diode carries half the load current

Answer is:

The need of centretapped transformer

11) What is the output frequency of the pulse setting DC in a two diode fullwave rectifier?

Half of the input A/C frequency

Double the input A/C frequency

Same frequency of the A/C input

Three times the input A/C frequency

Answer is:

Double the input A/C frequency

Diode, Rectifier, Filter, Zener diode, Transistor and Amplifiers MCQ with Answers

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