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Power Electronics
How can we protect SCR from thermal conditions ?
Using heat sink.
Using CB and fuse.
Using equalizing circuit.
Use of snubber circuit.
Using heat sink.
Using CB and fuse.
Using equalizing circuit.
Use of snubber circuit.
Answer
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Related Question
Power Electronics
A thyristor can termed as
Square wave switch.
AC switch.
Both a and B.
DC switch.
Square wave switch.
AC switch.
Both a and B.
DC switch.
Answer
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Power Electronics
When the emitter terminal of a UJT is open, the resistance between the base terminal is generally ___________.
Extremely low
Low
None of these
High
Extremely low
Low
None of these
High
Answer
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Power Electronics
IGBT combines the advantages of
BJTs and MOSFETs.
None of these.
SITs and MOSFETs.
BJTs and SITs.
BJTs and MOSFETs.
None of these.
SITs and MOSFETs.
BJTs and SITs.
Answer
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Power Electronics
4 thyristors rated 200 V in series. The operating voltage of the string is 0.600 V. Derating factor of the string is
0.25.
0.75.
0.7.
0.2.
0.25.
0.75.
0.7.
0.2.
Answer
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Power Electronics
The V-I characteristics for a triac in the first and third quadrants are essentially identical to those of ___________ in its first quadrant
None of these
SCR
UJT
Transistor
None of these
SCR
UJT
Transistor
Answer
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