Power Electronics The latching current of SCR is 20 mA. Its holding current will be 23 mA. 40 mA. 10 mA. 60 mA. 23 mA. 40 mA. 10 mA. 60 mA. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A diac is ___________ switch An c. A mechanical A d.c. None of these An c. A mechanical A d.c. None of these ANSWER DOWNLOAD EXAMIANS APP
Power Electronics The device that exhibits negative resistance region is ___________. Transistor Triac Diac UJT Transistor Triac Diac UJT 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 4, 6. 7, 5. 6, 4. 5, 7. 4, 6. 7, 5. 6, 4. 5, 7. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Light triggering mainly used in medium voltage direct current transmission. high voltage direct current transmission. all of these. low - voltage direct current transmission. medium voltage direct current transmission. high voltage direct current transmission. all of these. low - voltage direct current transmission. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A GTO can be turned on by applying Positive source signal. None of these. Positive gate signal. Positive drain signal. Positive source signal. None of these. Positive gate signal. Positive drain signal. ANSWER DOWNLOAD EXAMIANS APP