Power Electronics If holding current of a thyristor is 2 mA then latching current should be 0.002 A. 0.009 A. 0.004 A. 0.01 A. 0.002 A. 0.009 A. 0.004 A. 0.01 A. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Under over voltage condition impedance offered by the voltage clamping device is moderate. high. low. infinity. moderate. high. low. infinity. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A string of n parallel SCRs is operated at 72 KA, the rating of each SCR is 1 KA. If derating factor of the string is 0.1. Then calculate the value of n 80. 60. 70. 90. 80. 60. 70. 90. 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. Snubber circuit. CB. Fast acting current limiting device (FACL fuse). Voltage clamping device. Snubber circuit. CB. Fast acting current limiting device (FACL fuse). ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A diac has ___________ semiconductor layers Three None of these Two Four Three None of these Two Four ANSWER DOWNLOAD EXAMIANS APP
Power Electronics When a UJT is turned ON, the resistance between emitter terminal and lower base terminal ___________ Is increased Remains the same Is decreased None of these Is increased Remains the same Is decreased None of these ANSWER DOWNLOAD EXAMIANS APP
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