Power Electronics When a UJT is turned ON, the resistance between emitter terminal and lower base terminal ___________ Is increased None of these Is decreased Remains the same Is increased None of these Is decreased Remains the same ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A Triac has three terminals viz ___________ Cathode, anode, gate Two main terminal and a gate terminal Drain, source, gate None of these Cathode, anode, gate Two main terminal and a gate terminal Drain, source, gate None of these ANSWER DOWNLOAD EXAMIANS APP
Power Electronics An SCR is considered to be a semi controlled device because it conducts only during one half cycle of an alternating current wave. it can be turned OFF but not ON with a gate pulse. it can be turned ON only during one half cycle of an AC. it can be turned ON but not OFF with a gate pulse. it conducts only during one half cycle of an alternating current wave. it can be turned OFF but not ON with a gate pulse. it can be turned ON only during one half cycle of an AC. it can be turned ON but not OFF with a gate pulse. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A single phase full bridge inverter can operate in load commutation mode in case load consists of RLC underdamped. RLC overdamped. RLC critically damped. RL. RLC underdamped. RLC overdamped. RLC critically damped. RL. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics In forward blocking mode of a thyristor Junction J1 and J2 is in forward bias and J3 is in reverse bias. junction J2 is in reverse bias and J1, J3 is in forward bias. Junction J1, J3 is in reverse bias and J2 is in forward bias. junction J3 is in forward bias and J1, J2 is in reverse bias. Junction J1 and J2 is in forward bias and J3 is in reverse bias. junction J2 is in reverse bias and J1, J3 is in forward bias. Junction J1, J3 is in reverse bias and J2 is in forward bias. junction J3 is in forward bias and J1, J2 is in reverse bias. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Spread time is defined as the interval during which both (A) and (B). anode current rises from 10 % to 90 % of its final value. anode current rises from 90 % to its final value. anode voltage drops from 10 % of its initial value to zero. both (A) and (B). anode current rises from 10 % to 90 % of its final value. anode current rises from 90 % to its final value. anode voltage drops from 10 % of its initial value to zero. ANSWER DOWNLOAD EXAMIANS APP
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