Power Electronics A diac is turned on by ___________. Gate voltage None of these Gate current A breakover voltage Gate voltage None of these Gate current A breakover voltage ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Thermal voltage VT can be given by (K2/q)(T + 1/T - 1). Kq/T. KT/q. qT/K. (K2/q)(T + 1/T - 1). Kq/T. KT/q. qT/K. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A 200 A thyristor is to be operated in parallel with a 300 A thyristor. The ON state voltage drops are 1.5 V and 1.2 Volts. What is the value of resistance R to be connected in series with each thyristor, so that current through the combination is 500 A and each of them is fully loaded ? 0.3 ohm 0.3 ohm 3.0 ohm 0.03 ohm 0.3 ohm 0.3 ohm 3.0 ohm 0.03 ohm ANSWER DOWNLOAD EXAMIANS APP
Power Electronics An SCR is considered to be a semi controlled device because it can be turned ON but not OFF with a gate pulse. it can be turned OFF but not ON with a gate pulse. it conducts only during one half cycle of an alternating current wave. 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 can be turned OFF but not ON with a gate pulse. it conducts only during one half cycle of an alternating current wave. it can be turned ON only during one half cycle of an AC. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics When the emitter terminal of a UJT is open, the resistance between the base terminal is generally ___________. Low High Extremely low None of these Low High Extremely low None of these ANSWER DOWNLOAD EXAMIANS APP
Power Electronics For an SCR gate cathode characteristic is a straight line of 130. For triggered source volume of 15 V and allowable gate power dissipation of 0.5 W compute the gate source resistance? 115 ohm 111.9 ohm 108 ohm 11.19 ohm 115 ohm 111.9 ohm 108 ohm 11.19 ohm ANSWER DOWNLOAD EXAMIANS APP
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