Power Electronics Which of the following is disadvantage of fast recovery diodes? Recovery is only 50 µs. Recovery is only 5 µs. None of these. Doping is carried out. Recovery is only 50 µs. Recovery is only 5 µs. None of these. Doping is carried out. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics After peak point, the UJT operates in the ___________ region. Negative resistance Cut-off Saturation None of these Negative resistance Cut-off Saturation None of these ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Light triggering mainly used in high voltage direct current transmission. medium voltage direct current transmission. all of these. low - voltage direct current transmission. high voltage direct current transmission. medium voltage direct current transmission. all of these. low - voltage direct current transmission. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics ON state voltage drop across SCR lie between the range 1 - 1.5 V. 0 - 0.5 V. 0.5 - 1 V. 1.5 - 2 V. 1 - 1.5 V. 0 - 0.5 V. 0.5 - 1 V. 1.5 - 2 V. 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 30° to 180°. 60° to 120°. 30° to 150°. 60° to 180°. 30° to 180°. 60° to 120°. 30° to 150°. 60° to 180°. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A diac is turned on by ___________. Gate current Gate voltage None of these A breakover voltage Gate current Gate voltage None of these A breakover voltage ANSWER DOWNLOAD EXAMIANS APP
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