Power Electronics In a P1N1P2N2 thyristor which layer is less doped ? N1. P2. N2. P1. N1. P2. N2. P1. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics When the emitter terminal of a UJT is open, the resistance between the base terminal is generally ___________. Low Extremely low None of these High Low Extremely low None of these High 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 70. 80. 60. 90. 70. 80. 60. 90. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Leakage current flows through the thyristor in reverse blocking mode. forward conduction mode. both forward and reverse blocking mode. forward blocking mode. reverse blocking mode. forward conduction mode. both forward and reverse blocking mode. forward blocking mode. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A triac is equivalent to two SCRs ___________. In inverse-parallel In series In parallel None of these In inverse-parallel In series In parallel None of these ANSWER DOWNLOAD EXAMIANS APP
Power Electronics What is used to protect a thyristor from high di / dt conditions? Voltage clamping device. Inductor. Fuse. Snubber circuit. Voltage clamping device. Inductor. Fuse. Snubber circuit. ANSWER DOWNLOAD EXAMIANS APP