Power Electronics In reverse blocking mode of a thyristor junction J1, J3 is in reverse bias and J2 is in forward bias. junction J1 and J2 is in forward bias and J3 is in reverse bias. junction J2 is in reverse bias and J1, J3 is in forward bias. junction J3 is in forward bias and J1, J2 in reverse bias. junction J1, J3 is in reverse bias and J2 is in forward bias. junction J1 and J2 is in forward bias and J3 is in reverse bias. junction J2 is in reverse bias and J1, J3 is in forward bias. junction J3 is in forward bias and J1, J2 in reverse bias. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics 4 thyristors rated 200 V in series. The operating voltage of the string is 0.600 V. Derating factor of the string is 0.75. 0.7. 0.25. 0.2. 0.75. 0.7. 0.25. 0.2. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics If holding current of a thyristor is 2 mA then latching current should be 0.004 A. 0.01 A. 0.009 A. 0.002 A. 0.004 A. 0.01 A. 0.009 A. 0.002 A. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Thyristor can be protected from over voltages by using voltage clamping device. fuse. snubber circuit. heat sink. voltage clamping device. fuse. snubber circuit. heat sink. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A triac is equivalent to two SCRs ___________. In series None of these In parallel In inverse-parallel In series None of these In parallel In inverse-parallel ANSWER DOWNLOAD EXAMIANS APP
Power Electronics SCRs are used in series to meet high current demand. low current demand. low voltage demand. high voltage demand. high current demand. low current demand. low voltage demand. high voltage demand. ANSWER DOWNLOAD EXAMIANS APP
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