Power Electronics A UJT has ___________. Two pn junctions None of these One pn junction Three pn junctions Two pn junctions None of these One pn junction Three pn junctions ANSWER DOWNLOAD EXAMIANS APP
Power Electronics After proper turn on of thyristor gate signal is always present. None of these gate signal should present but can be removed. gate signal must be removed. gate signal is always present. None of these gate signal should present but can be removed. gate signal must be removed. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics By which one of the following we can measure the reliability of a string? Derating factor. String efficient. Reliability factor. Factor of safety. Derating factor. String efficient. Reliability factor. Factor of safety. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Which one is most suitable power device for high frequency (>100 KHz) switching application? Schottky diode. Microwave transistor. Power MOSFET. BJT. Schottky diode. Microwave transistor. Power MOSFET. BJT. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Delay time is defined by the interval when anode current reaches 10 % from forward leakage current. gate current increases from 90 % to 100 % of its final value. all of these. anode voltage drops from 100 % to 90 % of its actual value. anode current reaches 10 % from forward leakage current. gate current increases from 90 % to 100 % of its final value. all of these. anode voltage drops from 100 % to 90 % of its actual value. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics In forward blocking mode of a thyristor Junction J1 and J2 is in forward bias and J3 is in reverse bias. junction J3 is in forward bias and J1, J2 is in reverse bias. Junction J1, J3 is in reverse bias and J2 is in forward bias. junction J2 is in reverse bias and J1, J3 is in forward bias. Junction J1 and J2 is in forward bias and J3 is in reverse bias. junction J3 is in forward bias and J1, J2 is in reverse bias. Junction J1, J3 is in reverse bias and J2 is in forward bias. junction J2 is in reverse bias and J1, J3 is in forward bias. ANSWER DOWNLOAD EXAMIANS APP