Power Electronics Which of the following is used in heat sink? Iron. Carbon. Silver. Aluminium. Iron. Carbon. Silver. Aluminium. 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 A triac can pass a portion of ___________ half-cycle through the load. None of these Both positive and negative Only negative Only positive None of these Both positive and negative Only negative Only positive ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Power transistor are type of MOSFETs. BJTs. IGBTs. All of above. MOSFETs. BJTs. IGBTs. All of above. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A single phase full bridge inverter can operate in load commutation mode in case load consists of RLC overdamped. RLC underdamped. RLC critically damped. RL. RLC overdamped. RLC underdamped. RLC critically damped. RL. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Typical range of thyristor turn OFF time is 3 - 10 µs. 3 - 100 µs. 3 - 50 µs. 3 - 500 µs. 3 - 10 µs. 3 - 100 µs. 3 - 50 µs. 3 - 500 µs. ANSWER DOWNLOAD EXAMIANS APP
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