Power Electronics When a UJT is turned ON, the resistance between emitter terminal and lower base terminal ___________ Is decreased Is increased None of these Remains the same Is decreased Is increased None of these Remains the same 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. 70. 60. 90. 80. 70. 60. 90. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Spread time is defined as the interval during which anode current rises from 10 % to 90 % of its final value. both (A) and (B). anode current rises from 90 % to its final value. anode voltage drops from 10 % of its initial value to zero. anode current rises from 10 % to 90 % of its final value. both (A) and (B). anode current rises from 90 % to its final value. anode voltage drops from 10 % of its initial value to zero. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A single phase full bridge inverter can operated in load commutation mode in case load consist of RLC critically damped. RL. RLC overdamped. RLC underdamped. RLC critically damped. RL. RLC overdamped. RLC underdamped. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A diac is simply ___________. A single junction device A three junction device A triac without gate terminal None of these A single junction device A three junction device A triac without gate terminal None of these ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Leakage current flows through the thyristor in both forward and reverse blocking mode. reverse blocking mode. forward blocking mode. forward conduction mode. both forward and reverse blocking mode. reverse blocking mode. forward blocking mode. forward conduction mode. ANSWER DOWNLOAD EXAMIANS APP
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