Power Electronics A triac is a ___________ switch None of these Mechanical Bidirectional Unidirectional None of these Mechanical Bidirectional Unidirectional ANSWER DOWNLOAD EXAMIANS APP
Power Electronics In a P1N1P2N2 thyristor which layer is less doped ? P2. P1. N2. N1. P2. P1. N2. N1. 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 120°. 30° to 150°. 30° to 180°. 60° to 180°. 60° to 120°. 30° to 150°. 30° to 180°. 60° to 180°. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics After peak point, the UJT operates in the ___________ region. Negative resistance Saturation Cut-off None of these Negative resistance Saturation Cut-off None of these ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Why resistor is used in Snubber circuit ? To minimize the loss . To minimize the charging current. All of these. To minimize the discharging current. To minimize the loss . To minimize the charging current. All of these. To minimize the discharging current. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Delay time is defined by the interval when gate current increases from 90 % to 100 % of its final value. anode current reaches 10 % from forward leakage current. anode voltage drops from 100 % to 90 % of its actual value. all of these. gate current increases from 90 % to 100 % of its final value. anode current reaches 10 % from forward leakage current. anode voltage drops from 100 % to 90 % of its actual value. all of these. ANSWER DOWNLOAD EXAMIANS APP