Power Electronics A GTO can be turned on by applying Positive source signal. Positive drain signal. Positive gate signal. None of these. Positive source signal. Positive drain signal. Positive gate signal. None of these. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Thyristor is nothing but a Amplifier with large current gain. Controlled transistor. Controlled switch. Amplifier with higher gain. Amplifier with large current gain. Controlled transistor. Controlled switch. Amplifier with higher gain. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Spread time is defined as the interval during which anode voltage drops from 10 % of its initial value to zero. anode current rises from 90 % to its final value. both (A) and (B). anode current rises from 10 % to 90 % of its final value. anode voltage drops from 10 % of its initial value to zero. anode current rises from 90 % to its final value. both (A) and (B). anode current rises from 10 % to 90 % of its final value. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Practical way of obtaining static voltage equalization in series connected SCRs is by the use of one resistor in series with each SCR. resistors of the same value across each SCR. one resistor across the string. resistors of different values across each SCR. one resistor in series with each SCR. resistors of the same value across each SCR. one resistor across the string. resistors of different values across each SCR. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics The turn-on time of an SCR with inductive load is 20 µs. The puls train frequency is 2.5 KHz with a mark/space ratio of 1/10, then SCR will Turn on if pulse frequency us increased to two times. Not turn on. Turn on. Turn on if inductance is removed. Turn on if pulse frequency us increased to two times. Not turn on. Turn on. Turn on if inductance is removed. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Rise time is defined by the interval when both B and C. anode voltage drops from 90 % to 10 % of its initial value. anode current rises 10 % to 90 % of its final value. gate current rises from 90 % to 100 % of it final value. both B and C. anode voltage drops from 90 % to 10 % of its initial value. anode current rises 10 % to 90 % of its final value. gate current rises from 90 % to 100 % of it final value. ANSWER DOWNLOAD EXAMIANS APP
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