Power Electronics Under normal operating condition voltage clamping device offers impedance of moderate value. low value. high value. zero value. moderate value. low value. high value. zero value. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A UJT has ___________. Two pn junctions None of these One pn junction Three pn junctions Two pn junctions None of these One pn junction Three pn junctions ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A power semiconductor may undergo damage due to Low dv/dt. Low di/dt. High dv/dt. High di/dt. Low dv/dt. Low di/dt. High dv/dt. High di/dt. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A diac is ___________ switch None of these A mechanical A d.c. An c. None of these A mechanical A d.c. An c. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Which of the following is not a characteristic of UJT? Peak-point voltage Bilateral conduction Negative resistance Intrinsic stand off ratio Peak-point voltage Bilateral conduction Negative resistance Intrinsic stand off ratio 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. 90. 70. 60. 80. 90. 70. 60. ANSWER DOWNLOAD EXAMIANS APP
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