Power Electronics During reverse recovery time both B and C. charge carrier of junction J1 is swept out. charge carrier of junction J3 is swept out. charge carrier of junction J2 recombined. both B and C. charge carrier of junction J1 is swept out. charge carrier of junction J3 is swept out. charge carrier of junction J2 recombined. 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°. 60° to 120°. 30° to 150°. 30° to 180°. 60° to 180°. 60° to 120°. 30° to 150°. 30° to 180°. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A diac is simply ___________. None of these A triac without gate terminal A single junction device A three junction device None of these A triac without gate terminal A single junction device A three junction device ANSWER DOWNLOAD EXAMIANS APP
Power Electronics The triac is ___________. Not a thyristor A four-terminal device None of these Like a bidirectional SCR Not a thyristor A four-terminal device None of these Like a bidirectional SCR 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. gate current rises from 90 % to 100 % of it final value. both B and C. anode current rises 10 % to 90 % of its final value. anode voltage drops from 90 % to 10 % of its initial value. gate current rises from 90 % to 100 % of it final value. both B and C. anode current rises 10 % to 90 % of its final value. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics The UJT may be used as ___________. A sawtooth generator None of these Am amplifier A rectifier A sawtooth generator None of these Am amplifier A rectifier ANSWER DOWNLOAD EXAMIANS APP
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