Power Electronics Thermal voltage VT can be given by KT/q. (K2/q)(T + 1/T - 1). Kq/T. qT/K. KT/q. (K2/q)(T + 1/T - 1). Kq/T. qT/K. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics The turn-on time of an SCR with inductive load is 20 µs. The puls train frequency is 2.5 KHz with a mark/space ratio of 1/10, then SCR will Turn on if inductance is removed. Turn on. Not turn on. Turn on if pulse frequency us increased to two times. Turn on if inductance is removed. Turn on. Not turn on. Turn on if pulse frequency us increased to two times. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Example of a voltage clamping device fast acting fuse. aluminium block. snubber circuit. metal oxide varistor. fast acting fuse. aluminium block. snubber circuit. metal oxide varistor. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A triac is equivalent to two SCRs ___________. In series In inverse-parallel In parallel None of these In series In inverse-parallel In parallel None of these ANSWER DOWNLOAD EXAMIANS APP
Power Electronics After proper turn on of thyristor gate signal is always present. None of these gate signal should present but can be removed. gate signal must be removed. gate signal is always present. None of these gate signal should present but can be removed. gate signal must be removed. ANSWER DOWNLOAD EXAMIANS APP
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. one resistor in series with each SCR. resistors of different values across each SCR. one resistor across the string. resistors of the same value across each SCR. one resistor in series with each SCR. resistors of different values across each SCR. ANSWER DOWNLOAD EXAMIANS APP
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