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Electronic Mechanic
Electronic Mechanic Set-1
Power Electronic Components
19

Power Electronic Components MCQ with Answers

19) What is the maximum power dissipation Pmax for BF 245B?

100 mw

200 mw

300 mw

400 mw

Answer is:

300 mw

Power Electronic Components MCQ with Answers

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Related Power Electronic Components MCQ with Answers

20) Which is the device made and interconnected by two transistors?

UJT

SCR

FET

LED

Answer is:

SCR

21) What will happen in SCR with forward biased condition and gate current is applied?

Reverse current conduction commences

Forward current conduction stops

Reverse current turned off

Forward current conduction commences

Answer is:

Forward current conduction commences

22) How many layers of PN - junctions are used in SCR fabrication?

Two layer two junctions

Four layer three junctions

Three layer three junctions

Three layer four junctions

Answer is:

Four layer three junctions

23) Which semiconductor devices are composed inside the solid state relays?

Diodes and transistors

Thyristor and transistors

MOSFETs and IGBTs

UJYs and FETs

Answer is:

Thyristor and transistors

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