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Power Electronics
The latching current of SCR is 20 mA. Its holding current will be
60 mA.
23 mA.
10 mA.
40 mA.
60 mA.
23 mA.
10 mA.
40 mA.
Answer
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Related Question
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
The capacitance of reversed bised junction J2 in a thyristor is CJ2 = 20 pF and can be assumed to be independant of the off state voltage. The limiting value of the charging current to turn on the thyristor is 16 mA. What is the critical value of dv/dt?
800 V/µs.
600 V/µs.
1000 V/µs.
1200 V/µs.
800 V/µs.
600 V/µs.
1000 V/µs.
1200 V/µs.
Answer
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Power Electronics
If a latching current for the circuit shown in figure is 2 mA. Obtain the value of minimum width of the property turn ON the SCR?
3.2 µs
3.3 µs
3.1 µs
3 µs.
3.2 µs
3.3 µs
3.1 µs
3 µs.
Answer
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Power Electronics
When the temperature increases, the intrinsic stand off ratio ___________.
Increases
Essentially remains the same
None of these
Decreases
Increases
Essentially remains the same
None of these
Decreases
Answer
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Power Electronics
Which statement is true for latching current ?
It is related to turn off process of the device.
It is related to turn on process of the device.
Both C and D.
It is related to conduction process of device.
It is related to turn off process of the device.
It is related to turn on process of the device.
Both C and D.
It is related to conduction process of device.
Answer
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