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Power Electronics
A step up chopper has input voltage 110 V and output voltage 150 V. The value of duty cycle is
0.45.
0.67.
0.32.
0.27.
0.45.
0.67.
0.32.
0.27.
Answer
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Related Question
Power Electronics
The triac is ___________.
None of these
A four-terminal device
Like a bidirectional SCR
Not a thyristor
None of these
A four-terminal device
Like a bidirectional SCR
Not a thyristor
Answer
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Power Electronics
A diac has ___________ terminals.
Two
Three
Four
None of these
Two
Three
Four
None of these
Answer
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Power Electronics
Anode current in an SCR consists of
either electron or holes.
holes only.
Both electron and holes.
electrons only.
either electron or holes.
holes only.
Both electron and holes.
electrons only.
Answer
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Power Electronics
During which time maximum conduction spreading take place in the thyristor during turn ON?
Rise time.
Same for every case.
Delay time.
Spread time.
Rise time.
Same for every case.
Delay time.
Spread time.
Answer
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Power Electronics
Thermal voltage VT can be given by
qT/K.
KT/q.
Kq/T.
(K2/q)(T + 1/T - 1).
qT/K.
KT/q.
Kq/T.
(K2/q)(T + 1/T - 1).
Answer
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