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? 3.3 µs 3 µs. 3.1 µs 3.2 µs 3.3 µs 3 µs. 3.1 µs 3.2 µs ANSWER DOWNLOAD EXAMIANS APP
Power Electronics Gate circuit or triggering circuit of a thyristor is may be low power or high power circuit. lower power circuit. high power circuit. magnetic circuit. may be low power or high power circuit. lower power circuit. high power circuit. magnetic circuit. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics SCRs are used in series to meet low current demand. high current demand. low voltage demand. high voltage demand. low current demand. high current demand. low voltage demand. high voltage demand. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics 4 thyristors rated 200 V in series. The operating voltage of the string is 0.600 V. Derating factor of the string is 0.25. 0.7. 0.2. 0.75. 0.25. 0.7. 0.2. 0.75. ANSWER DOWNLOAD EXAMIANS APP
Power Electronics When a UJT is turned ON, the resistance between emitter terminal and lower base terminal ___________ None of these Remains the same Is decreased Is increased None of these Remains the same Is decreased Is increased ANSWER DOWNLOAD EXAMIANS APP
Power Electronics A single phase one pulse controlled circuit has a resistance R and counter emf E load 400 sin(314 t) as the source voltage. For a load counter emf of 200 V, the range of firing angle control is 30° to 180°. 60° to 180°. 30° to 150°. 60° to 120°. 30° to 180°. 60° to 180°. 30° to 150°. 60° to 120°. ANSWER DOWNLOAD EXAMIANS APP
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