Power Electronics Under over voltage condition impedance offered by the voltage clamping device is infinity. moderate. high. low. infinity. moderate. high. low. 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 Gate circuit or triggering circuit of a thyristor is magnetic circuit. lower power circuit. may be low power or high power circuit. high power circuit. magnetic circuit. lower power circuit. may be low power or high power circuit. high power circuit. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A UJT is sometimes called ___________ diode. High resistance Single-base Double-base Low resistance High resistance Single-base Double-base Low resistance ANSWER DOWNLOAD EXAMIANS APP
Power Electronics IGBT combines the advantages of None of these. BJTs and SITs. SITs and MOSFETs. BJTs and MOSFETs. None of these. BJTs and SITs. SITs and MOSFETs. BJTs and MOSFETs. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A thyristor can termed as Both a and B. DC switch. AC switch. Square wave switch. Both a and B. DC switch. AC switch. Square wave switch. ANSWER DOWNLOAD EXAMIANS APP