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Electronic Mechanic
Electronic Mechanic Set-1
Power supply circuits
7

Power supply circuits MCQ with Answers

7) Which is the first step followed in troubleshooting of electronic circuit?

Thermal test

Chemical test

Mechanical test

Physical and sensory test

Answer is:

Physical and sensory test

Power supply circuits MCQ with Answers

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Related Power supply circuits MCQ with Answers

8) Which diode is used in low power communication circuits?

Signal diodes

Rectifier diodes

Switching diodes

High power diodes

Answer is:

Signal diodes

9) 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 bulky transformer

Each diode carries half the load current

Answer is:

The need of bulky transformer

10) What is the process of adding impurities to a pure semi conductor material?

Doping

Etching

Forming

Diffusion

Answer is:

Doping

11) Which impurity is added to form P - type semiconductor material?

Arsenic

Gallium

Antimony

Phosphorus

Answer is:

Gallium

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