Power Electronics Which of the following is not a characteristic of UJT? Negative resistance Bilateral conduction Intrinsic stand off ratio Peak-point voltage Negative resistance Bilateral conduction Intrinsic stand off ratio Peak-point voltage ANSWER DOWNLOAD EXAMIANS APP
Power Electronics In a UJT, the p-type emitter is ___________ doped Moderately Heavily Lightly None of these Moderately Heavily Lightly None of these ANSWER DOWNLOAD EXAMIANS APP
Power Electronics When a large surge current of very short duration flows through a thyristor then which one of the following device will operate to protect the thyristor ? Fast acting current limiting device (FACL fuse). Snubber circuit. CB. Voltage clamping device. Fast acting current limiting device (FACL fuse). Snubber circuit. CB. Voltage clamping device. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Light triggering mainly used in medium voltage direct current transmission. high voltage direct current transmission. all of these. low - voltage direct current transmission. medium voltage direct current transmission. high voltage direct current transmission. all of these. low - voltage direct current transmission. 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 150°. 60° to 180°. 60° to 120°. 30° to 180°. 30° to 150°. 60° to 180°. 60° to 120°. 30° to 180°. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics The normal way to turn on a diac is by ___________. Breakover voltage None of these Gate current Gate voltage Breakover voltage None of these Gate current Gate voltage ANSWER DOWNLOAD EXAMIANS APP
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