Power Electronics A diac has ___________ terminals. Two Three None of these Four Two Three None of these Four ANSWER DOWNLOAD EXAMIANS APP
Power Electronics When a UJT is turned ON, the resistance between emitter terminal and lower base terminal ___________ None of these Is increased Remains the same Is decreased None of these Is increased Remains the same Is decreased ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A diac is ___________ switch An c. None of these A d.c. A mechanical An c. None of these A d.c. A mechanical 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 6, 4. 5, 7. 7, 5. 4, 6. 6, 4. 5, 7. 7, 5. 4, 6. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Thyristor can be protected from over voltages by using voltage clamping device. fuse. snubber circuit. heat sink. voltage clamping device. fuse. snubber circuit. heat sink. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A thyristor will be triggered when Vg = 1.5 volt and Ig = 100 mA in the given figure. Calculate the value of R in ohm is 60. 65. 3.714. 37.14. 60. 65. 3.714. 37.14. ANSWER DOWNLOAD EXAMIANS APP
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