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 The function of snubber circuit connected across the SCR is to decrease dV / dt. suppress dV / dt. decrease di / dt. increase dV / dt. decrease dV / dt. suppress dV / dt. decrease di / dt. increase dV / dt. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Snubber circuit is used with SCR anti parallel. in series. in parallel. either series or parallel. anti parallel. in series. in parallel. either series or parallel. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Which semiconductor device acts like a diode and two transistor? SCR. Diac. Triac. UJT. SCR. Diac. Triac. UJT. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A triac is a ___________ switch None of these Bidirectional Unidirectional Mechanical None of these Bidirectional Unidirectional 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 5, 7. 6, 4. 7, 5. 4, 6. 5, 7. 6, 4. 7, 5. 4, 6. ANSWER DOWNLOAD EXAMIANS APP
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