Power Electronics Figure shows two thyristors rated 400 A sharing a load current. Current through T2 is 180A. Current through T1 will be 120 A. 100 A. 150 A. 110 A. 120 A. 100 A. 150 A. 110 A. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A UJT is sometimes called ___________ diode. Single-base Low resistance Double-base High resistance Single-base Low resistance Double-base High resistance 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. 4, 6. 5, 7. 7, 5. 6, 4. 4, 6. 5, 7. 7, 5. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics The UJT may be used as ___________. Am amplifier A sawtooth generator None of these A rectifier Am amplifier A sawtooth generator None of these A rectifier ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A triac has ___________ semiconductor layers. Five Four Two Three Five Four Two Three ANSWER DOWNLOAD EXAMIANS APP
Power Electronics SCR will be turned off when anode current is < latching current but greater than holding current and gate signal is 0. < latching current but greater than holding current and gate signal is present. both (A) and (B). less than holding current. < latching current but greater than holding current and gate signal is 0. < latching current but greater than holding current and gate signal is present. both (A) and (B). less than holding current. ANSWER DOWNLOAD EXAMIANS APP
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