Power Electronics A Triac has three terminals viz ___________ Two main terminal and a gate terminal None of these Drain, source, gate Cathode, anode, gate Two main terminal and a gate terminal None of these Drain, source, gate Cathode, anode, gate ANSWER DOWNLOAD EXAMIANS APP
Power Electronics When the emitter terminal of a UJT is open, the resistance between the base terminal is generally ___________. Extremely low None of these Low High Extremely low None of these Low High ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Calculate the maximum voltage that can be safely blocked by the string shown in figure, if maximum allowable leakage current is 2 mA? 2 KV. 6 KV. 8 KV. 10 KV. 2 KV. 6 KV. 8 KV. 10 KV. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Between the peak point and the valley point of UJT emitter characteristics we have ___________ region Negative resistance Cut-off Saturation None of these Negative resistance Cut-off Saturation None of these ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Why resistor is used in Snubber circuit ? To minimize the charging current. To minimize the discharging current. To minimize the loss . All of these. To minimize the charging current. To minimize the discharging current. To minimize the loss . All of these. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Rise time is defined by the interval when anode voltage drops from 90 % to 10 % of its initial value. both B and C. anode current rises 10 % to 90 % of its final value. gate current rises from 90 % to 100 % of it final value. anode voltage drops from 90 % to 10 % of its initial value. both B and C. 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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