Power Electronics Rise time is defined by the interval when 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. both B and C. anode voltage drops from 90 % to 10 % of its initial value. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A UJT is sometimes called ___________ diode. High resistance Low resistance Single-base Double-base High resistance Low resistance Single-base Double-base ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A diac has ___________ semiconductor layers None of these Three Two Four None of these Three Two Four ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Gate circuit or triggering circuit of a thyristor is high power circuit. lower power circuit. magnetic circuit. may be low power or high power circuit. high power circuit. lower power circuit. magnetic circuit. may be low power or high power circuit. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A single phase one pulse controlled circuit has a resistance R and counter emf E load 400 sin(314 t) as the source voltage. For a load counter emf of 200 V, the range of firing angle control is 60° to 180°. 30° to 180°. 30° to 150°. 60° to 120°. 60° to 180°. 30° to 180°. 30° to 150°. 60° to 120°. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Maximum power loss occurs during spread time. all. rise time. delay time. spread time. all. rise time. delay time. ANSWER DOWNLOAD EXAMIANS APP
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