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? 3.1 µs 3.3 µs 3 µs. 3.2 µs 3.1 µs 3.3 µs 3 µs. 3.2 µs ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A Triac has three terminals viz ___________ Drain, source, gate Two main terminal and a gate terminal Cathode, anode, gate None of these Drain, source, gate Two main terminal and a gate terminal Cathode, anode, gate None of these ANSWER DOWNLOAD EXAMIANS APP
Power Electronics The latching current of SCR is 20 mA. Its holding current will be 60 mA. 23 mA. 10 mA. 40 mA. 60 mA. 23 mA. 10 mA. 40 mA. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics What may happen high dV / dt? Both A and B. Breakdown of J2 junction. Anyone of these. Unwanted turn ON. Both A and B. Breakdown of J2 junction. Anyone of these. Unwanted turn ON. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics An SCR is considered to be a semi controlled device because it can be turned ON only during one half cycle of an AC. it conducts only during one half cycle of an alternating current wave. 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 can be turned ON only during one half cycle of an AC. it conducts only during one half cycle of an alternating current wave. it can be turned ON but not OFF with a gate pulse. it can be turned OFF but not ON with a gate pulse. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics When the emitter terminal of a UJT is open, the resistance between the base terminal is generally ___________. High None of these Extremely low Low High None of these Extremely low Low ANSWER DOWNLOAD EXAMIANS APP
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