Power Electronics An SCR is considered to be a semi controlled device because it conducts only during one half cycle of an alternating current wave. it can be turned ON but not OFF with a gate pulse. it can be turned ON only during one half cycle of an AC. it can be turned OFF but not ON with a gate pulse. it conducts only during one half cycle of an alternating current wave. it can be turned ON but not OFF with a gate pulse. it can be turned ON only during one half cycle of an AC. it can be turned OFF but not ON with a gate pulse. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A power MOSFET has three terminals called Collector, emitter and gate. Drain, source and gate. Drain, source and base. Collector, emitter and base. Collector, emitter and gate. Drain, source and gate. Drain, source and base. Collector, emitter and base. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A triac can pass a portion of ___________ half-cycle through the load. Only negative Both positive and negative None of these Only positive Only negative Both positive and negative None of these Only positive ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A UJT has ___________. Three pn junctions One pn junction None of these Two pn junctions Three pn junctions One pn junction None of these Two pn junctions ANSWER DOWNLOAD EXAMIANS APP
Power Electronics 60 thyrsistors are connected in series and parallel to form a 10 KV and 5.5 KA switch. Each thyristor is rated for 1.2 KV, 1 KA. The no. of parallel path are 6. The efficiency of the switch is 90.9 %. 83.3 %. 91.6 %. 76.3 %. 90.9 %. 83.3 %. 91.6 %. 76.3 %. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics When a UJT is turned ON, the resistance between emitter terminal and lower base terminal ___________ Remains the same Is increased Is decreased None of these Remains the same Is increased Is decreased None of these ANSWER DOWNLOAD EXAMIANS APP
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