Power Electronics When the temperature increases, the inter-base resistance (RBB) of a UJT ___________. Increases Decreases None of these Remains the same Increases Decreases None of these Remains the same ANSWER DOWNLOAD EXAMIANS APP
Power Electronics By which one of the following we can measure the reliability of a string? Reliability factor. String efficient. Derating factor. Factor of safety. Reliability factor. String efficient. Derating factor. Factor of safety. 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°. 60° to 180°. 30° to 180°. 60° to 120°. 30° to 150°. 60° to 180°. 30° to 180°. 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). Voltage clamping device. Snubber circuit. CB. Fast acting current limiting device (FACL fuse). Voltage clamping device. Snubber circuit. CB. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A thyristor can termed as AC switch. Both a and B. DC switch. Square wave switch. AC switch. Both a and B. DC switch. Square wave switch. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics The latching current of GTO should be of order 2 A. 100 mA. 1 A. 500 mA. 2 A. 100 mA. 1 A. 500 mA. ANSWER DOWNLOAD EXAMIANS APP
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