Power Electronics Compared to transistor, ______________ have lower on state conduction losses and higher power handling capability Thyristor. Semi conductor diodes. TRIACs. MOSFETs. Thyristor. Semi conductor diodes. TRIACs. MOSFETs. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Latching current for an SCR inserted between a dc voltage source of 200 V and load is 100 mA. Compute the minimum rate of width pulse required to turn ON the SCR in case load consists of R = 20 Ω in series with L = 0.2 H. 100 µs. 150 µs. 300 µs. 200 µs. 100 µs. 150 µs. 300 µs. 200 µs. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A triac has ___________ semiconductor layers. Four Five Two Three Four Five Two Three ANSWER DOWNLOAD EXAMIANS APP
Power Electronics After peak point, the UJT operates in the ___________ region. None of these Negative resistance Saturation Cut-off None of these Negative resistance Saturation Cut-off 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 ? CB. Voltage clamping device. Snubber circuit. Fast acting current limiting device (FACL fuse). CB. Voltage clamping device. Snubber circuit. Fast acting current limiting device (FACL fuse). ANSWER DOWNLOAD EXAMIANS APP
Power Electronics If the anode current is 800 A, then the amount of current required to turn off the GTO is about 600 A. 400 A. 20 A. 200 A. 600 A. 400 A. 20 A. 200 A. ANSWER DOWNLOAD EXAMIANS APP
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