Power Electronics A diac has ___________ pn junctions Three None of these Two Four Three None of these Two Four 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 Which of the following is used in heat sink? Aluminium. Carbon. Iron. Silver. Aluminium. Carbon. Iron. Silver. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A diac has ___________ semiconductor layers Two None of these Three Four Two None of these Three Four ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Which of following devices has highest di/dt and dv/dt capability? SITH. SCR. GTO. SIT. SITH. SCR. GTO. SIT. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A thyristor can termed as Square wave switch. DC switch. Both a and B. AC switch. Square wave switch. DC switch. Both a and B. AC switch. ANSWER DOWNLOAD EXAMIANS APP