Power Electronics A GTO can be turned on by applying None of these. Positive drain signal. Positive gate signal. Positive source signal. None of these. Positive drain signal. Positive gate signal. Positive source signal. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Which of the following is disadvantage of fast recovery diodes? Recovery is only 5 µs. Doping is carried out. None of these. Recovery is only 50 µs. Recovery is only 5 µs. Doping is carried out. None of these. Recovery is only 50 µs. 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°. 60° to 120°. 30° to 150°. 60° to 180°. 30° to 180°. 60° to 120°. 30° to 150°. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics How can we protect SCR from thermal conditions ? Use of snubber circuit. Using heat sink. Using CB and fuse. Using equalizing circuit. Use of snubber circuit. Using heat sink. Using CB and fuse. Using equalizing circuit. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Dynamic equalizing circuit is used for equal division of current through each thyristor in parallel. equal division of voltage across each thyristor. equal division of current through each thyristor in series. equal division of voltage across each thyristor in parallel. equal division of current through each thyristor in parallel. equal division of voltage across each thyristor. equal division of current through each thyristor in series. equal division of voltage across each thyristor in parallel. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics In a P1N1P2N2 thyristor which layer is less doped ? P1. P2. N1. N2. P1. P2. N1. N2. ANSWER DOWNLOAD EXAMIANS APP
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