Practice mode / Electrical Engineering A single phase full bridge inverter can operated in load commutation mode in case load consist of? A Option A: RL. B Option B: RLC underdamped. C Option C: RLC overdamped. D Option D: RLC critically damped Correct answer B. RLC underdamped. Show answer
Question 01 / Electrical Engineering An SCR is considered to be a semi controlled device because? A Option A: it can be turned OFF but not ON with a gate pulse. B Option B: it conducts only during one half cycle of an alternating current wave. C Option C: it can be turned ON but not OFF with a gate pulse. D Option D: it can be turned ON only during one half cycle of an AC. Correct answer C. it can be turned ON but not OFF with a gate pulse. Show answer Open question
Question 02 / Electrical Engineering The typical value of SCR for modern alternator is? A Option A: 1.5. B Option B: 0.5. C Option C: 1.0. D Option D: 1.2. Correct answer B. 0.5. Show answer Open question
Question 03 / Electrical Engineering An SCR has half cycle surge current rating of 3000 A for 50 Hz supply. One cycle surge current will be? A Option A: 1500 A. B Option B: 6000 A. C Option C: 2121.32 A. D Option D: 4242.64 A. Correct answer C. 2121.32 A. Show answer Open question
Question 04 / Electrical Engineering A Triac has three terminals viz? A Option A: Drain, source, gate B Option B: Two main terminal and a gate terminal C Option C: Cathode, anode, gate D Option D: None of the above Correct answer B. Two main terminal and a gate terminal Show answer Open question
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