Power Electronics A triac can pass a portion of ___________ half-cycle through the load. None of these Only negative Only positive Both positive and negative None of these Only negative Only positive Both positive and negative ANSWER DOWNLOAD EXAMIANS APP
Power Electronics When the temperature increases, the intrinsic stand off ratio ___________. None of these Decreases Increases Essentially remains the same None of these Decreases Increases Essentially remains the same ANSWER DOWNLOAD EXAMIANS APP
Power Electronics An SCR has half cycle surge current rating of 3000 A for 50 Hz supply. One cycle surge current will be 4242.64 A. 6000 A. 1500 A. 2121.32 A. 4242.64 A. 6000 A. 1500 A. 2121.32 A. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A thyristor string is made of a no. of SCR connected in series and parallel. The string have volume and current of 11 KV and 4 KA. The voltage and current rating of available SCRs are 1800 V and 1000 A. For a string efficiency of 90 % let the number of SCRs in series and parallel are a and b respectively. Then the value of a and b will be 7, 5. 5, 7. 4, 6. 6, 4. 7, 5. 5, 7. 4, 6. 6, 4. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A thyristor can termed as Square wave switch. Both a and B. DC switch. AC switch. Square wave switch. Both a and B. DC switch. AC switch. ANSWER DOWNLOAD EXAMIANS APP
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 None of these UJT Transistor SCR None of these UJT Transistor SCR ANSWER DOWNLOAD EXAMIANS APP
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