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Power Electronics

Power Electronics
Figure shows two thyristors rated 400 A sharing a load current. Current through T2 is 180A. Current through T1 will be

 110 A.
 120 A.
 100 A.
  150 A.

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Power Electronics
The UJT may be used as ___________.

None of these
Am amplifier
A rectifier
A sawtooth generator

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Power Electronics
Calculate the maximum voltage that can be safely blocked by the string shown in figure, if maximum allowable leakage current is 2 mA?

 10 KV.
 6 KV.
 2 KV.
  8 KV.

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Power Electronics
To meet high current demand we use SCRs in

 both B and C.
 series connection.
 anti parallel connection.
  parallel connection.

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Power Electronics
A thyristor can termed as

 AC switch.
 Square wave switch.
 Both a and B.
  DC switch.

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Power Electronics
Between the peak point and the valley point of UJT emitter characteristics we have ___________ region

Saturation
None of these
Negative resistance
Cut-off

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