Power Electronics Practical way of obtaining static voltage equalization in series connected SCRs is by the use of one resistor across the string. resistors of the same value across each SCR. resistors of different values across each SCR. one resistor in series with each SCR. one resistor across the string. resistors of the same value across each SCR. resistors of different values across each SCR. one resistor in series with each SCR. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Compared to transistor, ______________ have lower on state conduction losses and higher power handling capability Thyristor. TRIACs. MOSFETs. Semi conductor diodes. Thyristor. TRIACs. MOSFETs. Semi conductor diodes. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics The normal way to turn on a diac is by ___________. Gate voltage Gate current Breakover voltage None of these Gate voltage Gate current Breakover voltage None of these ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A Triac has three terminals viz ___________ None of these Two main terminal and a gate terminal Drain, source, gate Cathode, anode, gate None of these Two main terminal and a gate terminal Drain, source, gate Cathode, anode, gate ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Gate circuit or triggering circuit of a thyristor is high power circuit. may be low power or high power circuit. lower power circuit. magnetic circuit. high power circuit. may be low power or high power circuit. lower power circuit. magnetic circuit. 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 ? Snubber circuit. CB. Fast acting current limiting device (FACL fuse). Voltage clamping device. Snubber circuit. CB. Fast acting current limiting device (FACL fuse). Voltage clamping device. ANSWER DOWNLOAD EXAMIANS APP
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