Power Electronics A triac is a ___________ switch None of these Unidirectional Mechanical Bidirectional None of these Unidirectional Mechanical Bidirectional ANSWER DOWNLOAD EXAMIANS APP
Power Electronics When the temperature increases, the inter-base resistance (RBB) of a UJT ___________. Increases None of these Remains the same Decreases Increases None of these Remains the same Decreases ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Rise time is defined by the interval when anode current rises 10 % to 90 % of its final value. both B and C. gate current rises from 90 % to 100 % of it final value. anode voltage drops from 90 % to 10 % of its initial value. anode current rises 10 % to 90 % of its final value. both B and C. gate current rises from 90 % to 100 % of it final value. anode voltage drops from 90 % to 10 % of its initial value. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics The V-I characteristics for a triac in the first and third quadrants are essentially identical to those of ___________ in its first quadrant None of these UJT Transistor SCR None of these UJT Transistor SCR 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? 11.19 ohm 111.9 ohm 115 ohm 108 ohm 11.19 ohm 111.9 ohm 115 ohm 108 ohm ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Thyristor can be protected from over voltages by using voltage clamping device. heat sink. snubber circuit. fuse. voltage clamping device. heat sink. snubber circuit. fuse. ANSWER DOWNLOAD EXAMIANS APP