Power Electronics The V-I characteristics for a triac in the first and third quadrants are essentially identical to those of ___________ in its first quadrant UJT None of these Transistor SCR UJT None of these Transistor SCR ANSWER DOWNLOAD EXAMIANS APP
Power Electronics To meet high current demand we use SCRs in series connection. parallel connection. anti parallel connection. both B and C. series connection. parallel connection. anti parallel connection. both B and C. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A triac can pass a portion of ___________ half-cycle through the load. Only positive Both positive and negative None of these Only negative Only positive Both positive and negative None of these Only negative ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A diac has ___________ terminals. Four Two None of these Three Four Two None of these Three 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 90. 80. 70. 60. 90. 80. 70. 60. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Delay time is defined by the interval when gate current increases from 90 % to 100 % of its final value. anode voltage drops from 100 % to 90 % of its actual value. anode current reaches 10 % from forward leakage current. all of these. gate current increases from 90 % to 100 % of its final value. anode voltage drops from 100 % to 90 % of its actual value. anode current reaches 10 % from forward leakage current. all of these. ANSWER DOWNLOAD EXAMIANS APP
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