Power Electronics Which semiconductor device acts like a diode and two transistor? UJT. SCR. Triac. Diac. UJT. SCR. Triac. Diac. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A triac is equivalent to two SCRs ___________. In inverse-parallel In parallel In series None of these In inverse-parallel In parallel In series 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? 11.19 ohm 111.9 ohm 108 ohm 115 ohm 11.19 ohm 111.9 ohm 108 ohm 115 ohm ANSWER DOWNLOAD EXAMIANS APP
Power Electronics The turn-on time of an SCR with inductive load is 20 µs. The puls train frequency is 2.5 KHz with a mark/space ratio of 1/10, then SCR will Turn on. Not turn on. Turn on if pulse frequency us increased to two times. Turn on if inductance is removed. Turn on. Not turn on. Turn on if pulse frequency us increased to two times. Turn on if inductance is removed. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Dynamic equalising circuit is useful both B and C. to limit di / dt of SCR. for voltage equalisation. to limit dV / dt of SCR. both B and C. to limit di / dt of SCR. for voltage equalisation. to limit dV / dt of SCR. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Which statement is true for latching current ? It is related to conduction process of device. It is related to turn off process of the device. It is related to turn on process of the device. Both C and D. It is related to conduction process of device. It is related to turn off process of the device. It is related to turn on process of the device. Both C and D. ANSWER DOWNLOAD EXAMIANS APP
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