Power Electronics Latching current for an SCR inserted between a dc voltage source of 200 V and load is 100 mA. Compute the minimum rate of width pulse required to turn ON the SCR in case load consists of R = 20 Ω in series with L = 0.2 H. 150 µs. 100 µs. 300 µs. 200 µs. 150 µs. 100 µs. 300 µs. 200 µs. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Snubber circuit is used with SCR anti parallel. in parallel. either series or parallel. in series. anti parallel. in parallel. either series or parallel. in series. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A triac can pass a portion of ___________ half-cycle through the load. Both positive and negative Only positive None of these Only negative Both positive and negative Only positive None of these Only negative ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A diac is simply ___________. None of these A single junction device A three junction device A triac without gate terminal None of these A single junction device A three junction device A triac without gate terminal 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? 3.2 µs 3.1 µs 3.3 µs 3 µs. 3.2 µs 3.1 µs 3.3 µs 3 µs. 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? 111.9 ohm 108 ohm 11.19 ohm 115 ohm 111.9 ohm 108 ohm 11.19 ohm 115 ohm ANSWER DOWNLOAD EXAMIANS APP
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