Power Electronics A triac is a ___________ switch Bidirectional Unidirectional Mechanical None of these Bidirectional Unidirectional Mechanical None of these 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 7, 5. 5, 7. 6, 4. 4, 6. 7, 5. 5, 7. 6, 4. 4, 6. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics When the temperature increases, the inter-base resistance (RBB) of a UJT ___________. Remains the same Increases Decreases None of these Remains the same Increases Decreases None of these ANSWER DOWNLOAD EXAMIANS APP
Power Electronics SCR will be turned off when anode current is < latching current but greater than holding current and gate signal is present. < latching current but greater than holding current and gate signal is 0. both (A) and (B). less than holding current. < latching current but greater than holding current and gate signal is present. < latching current but greater than holding current and gate signal is 0. both (A) and (B). less than holding current. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics COOLMOS device can be used in application up to power range of 1 KVA. 500 VA. 100 KVA. 2 KVA. 1 KVA. 500 VA. 100 KVA. 2 KVA. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Switching frequency of SITH is 10 KHz. 5 KHz. 60 KHz. 100 KHz. 10 KHz. 5 KHz. 60 KHz. 100 KHz. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS