Power Electronics A Triac has three terminals viz ___________ Drain, source, gate Two main terminal and a gate terminal None of these Cathode, anode, gate Drain, source, gate Two main terminal and a gate terminal None of these Cathode, anode, gate 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? 108 ohm 115 ohm 111.9 ohm 11.19 ohm 108 ohm 115 ohm 111.9 ohm 11.19 ohm ANSWER DOWNLOAD EXAMIANS APP
Power Electronics When a UJT is turned ON, the resistance between emitter terminal and lower base terminal ___________ Remains the same None of these Is decreased Is increased Remains the same None of these Is decreased Is increased ANSWER DOWNLOAD EXAMIANS APP
Power Electronics When a large surge current of very short duration flows through a thyristor then which one of the following device will operate to protect the thyristor ? Fast acting current limiting device (FACL fuse). Voltage clamping device. Snubber circuit. CB. Fast acting current limiting device (FACL fuse). Voltage clamping device. Snubber circuit. CB. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics If a latching current for the circuit shown in figure is 2 mA. Obtain the value of minimum width of the property turn ON the SCR? 3 µs. 3.2 µs 3.1 µs 3.3 µs 3 µs. 3.2 µs 3.1 µs 3.3 µs ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Under over voltage condition impedance offered by the voltage clamping device is low. infinity. moderate. high. low. infinity. moderate. high. ANSWER DOWNLOAD EXAMIANS APP
EXAMIANS