Power Electronics A triac is equivalent to two SCRs ___________. In series None of these In inverse-parallel In parallel In series None of these In inverse-parallel In parallel 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 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. 5, 7. 6, 4. 7, 5. 4, 6. 5, 7. 6, 4. 7, 5. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Dynamic equalising circuit is useful for voltage equalisation. to limit dV / dt of SCR. to limit di / dt of SCR. both B and C. for voltage equalisation. to limit dV / dt of SCR. to limit di / dt of SCR. both B and C. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A thyristor can termed as Both a and B. Square wave switch. AC switch. DC switch. Both a and B. Square wave switch. AC switch. DC switch. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A UJT is sometimes called ___________ diode. Low resistance High resistance Single-base Double-base Low resistance High resistance Single-base Double-base ANSWER DOWNLOAD EXAMIANS APP
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