Power Electronics A UJT is sometimes called ___________ diode. High resistance Double-base Low resistance Single-base High resistance Double-base Low resistance Single-base ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A GTO can be turned on by applying Positive source signal. Positive drain signal. None of these. Positive gate signal. Positive source signal. Positive drain signal. None of these. Positive gate signal. 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. 60. 70. 80. 90. 60. 70. 80. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics 4 thyristors rated 200 V in series. The operating voltage of the string is 0.600 V. Derating factor of the string is 0.25. 0.75. 0.7. 0.2. 0.25. 0.75. 0.7. 0.2. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics What is used to protect the SCR from over current ? Heat sink. Voltage clamping device. Snubber circuit. CB and fuse. Heat sink. Voltage clamping device. Snubber circuit. CB and fuse. 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. 3.714. 65. 37.14. 60. 3.714. 65. 37.14. ANSWER DOWNLOAD EXAMIANS APP