Power Electronics A triac is a ___________ switch Unidirectional None of these Mechanical Bidirectional Unidirectional None of these Mechanical Bidirectional 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 3.714. 60. 37.14. 65. 3.714. 60. 37.14. 65. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A GTO can be turned on by applying None of these. Positive drain signal. Positive source signal. Positive gate signal. None of these. Positive drain signal. Positive source signal. Positive gate signal. 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 5, 7. 4, 6. 6, 4. 7, 5. 5, 7. 4, 6. 6, 4. 7, 5. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A triac is equivalent to two SCRs ___________. In parallel In series In inverse-parallel None of these In parallel In series In inverse-parallel None of these ANSWER DOWNLOAD EXAMIANS APP
Power Electronics In forward blocking mode of a thyristor Junction J1 and J2 is in forward bias and J3 is in reverse bias. Junction J1, J3 is in reverse bias and J2 is in forward bias. junction J3 is in forward bias and J1, J2 is in reverse bias. junction J2 is in reverse bias and J1, J3 is in forward bias. Junction J1 and J2 is in forward bias and J3 is in reverse bias. Junction J1, J3 is in reverse bias and J2 is in forward bias. junction J3 is in forward bias and J1, J2 is in reverse bias. junction J2 is in reverse bias and J1, J3 is in forward bias. ANSWER DOWNLOAD EXAMIANS APP