Power Electronics To turn on UJT, the forward bias on the emitter diode should be ___________ the peak point voltage. More than Less than None of these Equal to More than Less than None of these Equal to ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Which semiconductor device acts like a diode and two transistor? Triac. SCR. UJT. Diac. Triac. SCR. UJT. Diac. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Which of the following is not a characteristic of UJT? Peak-point voltage Negative resistance Bilateral conduction Intrinsic stand off ratio Peak-point voltage Negative resistance Bilateral conduction Intrinsic stand off ratio ANSWER DOWNLOAD EXAMIANS APP
Power Electronics CB used for over current protection of thyristor operates when the fault current is of long period. neither (A) nor (B). of short duration. both (A) and (B). of long period. neither (A) nor (B). of short duration. both (A) and (B). ANSWER DOWNLOAD EXAMIANS APP
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 0.7. 0.75. 0.2. 0.25. 0.7. 0.75. 0.2. 0.25. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics After peak point, the UJT operates in the ___________ region. Negative resistance Saturation None of these Cut-off Negative resistance Saturation None of these Cut-off ANSWER DOWNLOAD EXAMIANS APP
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