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Power Electronics
Compared to transistor, ______________ have lower on state conduction losses and higher power handling capability
Thyristor.
MOSFETs.
Semi conductor diodes.
TRIACs.
Thyristor.
MOSFETs.
Semi conductor diodes.
TRIACs.
Answer
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Related Question
Power Electronics
Delay time is defined by the interval when
gate current increases from 90 % to 100 % of its final value.
all of these.
anode current reaches 10 % from forward leakage current.
anode voltage drops from 100 % to 90 % of its actual value.
gate current increases from 90 % to 100 % of its final value.
all of these.
anode current reaches 10 % from forward leakage current.
anode voltage drops from 100 % to 90 % of its actual value.
Answer
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Power Electronics
A UJT has ___________.
Three pn junctions
One pn junction
Two pn junctions
None of these
Three pn junctions
One pn junction
Two pn junctions
None of these
Answer
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Power Electronics
Under normal operating condition voltage clamping device offers impedance of
moderate value.
zero value.
low value.
high value.
moderate value.
zero value.
low value.
high value.
Answer
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Power Electronics
Which of the following is not a characteristic of UJT?
Peak-point voltage
Bilateral conduction
Negative resistance
Intrinsic stand off ratio
Peak-point voltage
Bilateral conduction
Negative resistance
Intrinsic stand off ratio
Answer
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Power Electronics
SCRs are used in series to meet
high current demand.
low current demand.
low voltage demand.
high voltage demand.
high current demand.
low current demand.
low voltage demand.
high voltage demand.
Answer
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