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Power Electronics
The UJT may be used as ___________.
Am amplifier
A rectifier
None of these
A sawtooth generator
Am amplifier
A rectifier
None of these
A sawtooth generator
Answer
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Related Question
Power Electronics
When the temperature increases, the intrinsic stand off ratio ___________.
Decreases
Essentially remains the same
Increases
None of these
Decreases
Essentially remains the same
Increases
None of these
Answer
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Power Electronics
COOLMOS device can be used in application up to power range of
1 KVA.
100 KVA.
500 VA.
2 KVA.
1 KVA.
100 KVA.
500 VA.
2 KVA.
Answer
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Power Electronics
For an SCR gate cathode characteristic is a straight line of 130. For triggered source volume of 15 V and allowable gate power dissipation of 0.5 W compute the gate source resistance?
108 ohm
11.19 ohm
111.9 ohm
115 ohm
108 ohm
11.19 ohm
111.9 ohm
115 ohm
Answer
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Power Electronics
In reverse blocking mode of a thyristor
junction J3 is in forward bias and J1, J2 in reverse bias.
junction J2 is in reverse bias and J1, J3 is in forward bias.
junction J1, J3 is in reverse bias and J2 is in forward bias.
junction J1 and J2 is in forward bias and J3 is in reverse bias.
junction J3 is in forward bias and J1, J2 in reverse bias.
junction J2 is in reverse bias and J1, J3 is in forward bias.
junction J1, J3 is in reverse bias and J2 is in forward bias.
junction J1 and J2 is in forward bias and J3 is in reverse bias.
Answer
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Power Electronics
Which semiconductor device acts like a diode and two transistor?
Diac.
Triac.
UJT.
SCR.
Diac.
Triac.
UJT.
SCR.
Answer
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