Power Electronics A UJT has ___________. Three pn junctions None of these Two pn junctions One pn junction Three pn junctions None of these Two pn junctions One pn junction 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. 90. 70. 80. 60. 90. 70. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A diac is turned on by ___________. A breakover voltage Gate current Gate voltage None of these A breakover voltage Gate current Gate voltage None of these ANSWER DOWNLOAD EXAMIANS APP
Power Electronics When the emitter terminal of a UJT is open, the resistance between the base terminal is generally ___________. High Extremely low None of these Low High Extremely low None of these Low ANSWER DOWNLOAD EXAMIANS APP
Power Electronics When the temperature increases, the inter-base resistance (RBB) of a UJT ___________. Remains the same Increases None of these Decreases Remains the same Increases None of these Decreases ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Switching frequency of SITH is 100 KHz. 60 KHz. 10 KHz. 5 KHz. 100 KHz. 60 KHz. 10 KHz. 5 KHz. ANSWER DOWNLOAD EXAMIANS APP
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