Power Electronics A triac is a ___________ switch Mechanical Unidirectional Bidirectional None of these Mechanical Unidirectional Bidirectional 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 ? Voltage clamping device. Fast acting current limiting device (FACL fuse). CB. Snubber circuit. Voltage clamping device. Fast acting current limiting device (FACL fuse). CB. Snubber circuit. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Leakage current flows through the thyristor in reverse blocking mode. both forward and reverse blocking mode. forward blocking mode. forward conduction mode. reverse blocking mode. both forward and reverse blocking mode. forward blocking mode. forward conduction mode. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A triac is equivalent to two SCRs ___________. None of these In parallel In inverse-parallel In series None of these In parallel In inverse-parallel In series ANSWER DOWNLOAD EXAMIANS APP
Power Electronics If a latching current for the circuit shown in figure is 2 mA. Obtain the value of minimum width of the property turn ON the SCR? 3 µs. 3.2 µs 3.1 µs 3.3 µs 3 µs. 3.2 µs 3.1 µs 3.3 µs ANSWER DOWNLOAD EXAMIANS APP
Power Electronics To meet high current demand we use SCRs in series connection. both B and C. anti parallel connection. parallel connection. series connection. both B and C. anti parallel connection. parallel connection. ANSWER DOWNLOAD EXAMIANS APP