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Power Electronics
Between the peak point and the valley point of UJT emitter characteristics we have ___________ region
None of these
Cut-off
Negative resistance
Saturation
None of these
Cut-off
Negative resistance
Saturation
Answer
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Related Question
Power Electronics
The triac is ___________.
Not a thyristor
A four-terminal device
None of these
Like a bidirectional SCR
Not a thyristor
A four-terminal device
None of these
Like a bidirectional SCR
Answer
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Power Electronics
Leakage current flows through the thyristor in
both forward and reverse blocking mode.
reverse blocking mode.
forward blocking mode.
forward conduction mode.
both forward and reverse blocking mode.
reverse blocking mode.
forward blocking mode.
forward conduction mode.
Answer
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Power Electronics
Materials used in heat sink should have
high melting point.
large surface area.
high thermal conductivity.
All of these.
high melting point.
large surface area.
high thermal conductivity.
All of these.
Answer
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Power Electronics
Delay time is defined by the interval when
all of these.
anode voltage drops from 100 % to 90 % of its actual value.
gate current increases from 90 % to 100 % of its final value.
anode current reaches 10 % from forward leakage current.
all of these.
anode voltage drops from 100 % to 90 % of its actual value.
gate current increases from 90 % to 100 % of its final value.
anode current reaches 10 % from forward leakage current.
Answer
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Power Electronics
A GTO can be turned on by applying
Positive drain signal.
None of these.
Positive source signal.
Positive gate signal.
Positive drain signal.
None of these.
Positive source signal.
Positive gate signal.
Answer
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