Power Electronics When the temperature increases, the inter-base resistance (RBB) of a UJT ___________. None of these Remains the same Increases Decreases None of these Remains the same Increases Decreases ANSWER DOWNLOAD EXAMIANS APP
Power Electronics For series connected SCR’s dynamic equalising circuit consists of 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. R and C in series but with diode across C. series R and diode with C across R. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Latching current for an SCR inserted between a dc voltage source of 200 V and load is 100 mA. Compute the minimum rate of width pulse required to turn ON the SCR in case load consists of R = 20 Ω in series with L = 0.2 H. 150 µs. 200 µs. 300 µs. 100 µs. 150 µs. 200 µs. 300 µs. 100 µs. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A UJT has ___________. Three pn junctions None of these Two pn junctions One pn junction Three pn junctions None of these Two pn junctions One pn junction ANSWER DOWNLOAD EXAMIANS APP
Power Electronics IGBT combines the advantages of SITs and MOSFETs. BJTs and MOSFETs. None of these. BJTs and SITs. SITs and MOSFETs. BJTs and MOSFETs. None of these. BJTs and SITs. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics When a large surge current of very short duration flows through a thyristor then which one of the following device will operate to protect the thyristor ? Fast acting current limiting device (FACL fuse). Snubber circuit. CB. Voltage clamping device. Fast acting current limiting device (FACL fuse). Snubber circuit. CB. Voltage clamping device. ANSWER DOWNLOAD EXAMIANS APP
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