Power Electronics Under normal operating condition voltage clamping device offers impedance of moderate value. low value. zero value. high value. moderate value. low value. zero value. high value. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics In a UJT, the p-type emitter is ___________ doped None of these Lightly Moderately Heavily None of these Lightly Moderately Heavily 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 0.2. 0.7. 0.25. 0.75. 0.2. 0.7. 0.25. 0.75. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics For series connected SCR’s dynamic equalising circuit consists of R and C in series but with diode across C. series R and diode with C across R. series R and diode with C across R. R and C in series but with diode across R. R and C in series but with diode across C. series R and diode with C across R. series R and diode with C across R. R and C in series but with diode across R. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics CB used for over current protection of thyristor operates when the fault current is neither (A) nor (B). both (A) and (B). of long period. of short duration. neither (A) nor (B). both (A) and (B). of long period. of short duration. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Which of the following is not a characteristic of UJT? Intrinsic stand off ratio Bilateral conduction Peak-point voltage Negative resistance Intrinsic stand off ratio Bilateral conduction Peak-point voltage Negative resistance ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS