Online TestThyristor Gating Circuits Objective Questions Thyristor Gating Circuits Objective Questions Power Electronics Objective Questions & Answers 0% In the thyristor gating circuit, the supply to the pulse amplifier is provided by the zcd isolation transformer synchronizing transformer control signal generator Correct!Wrong!- Continue >> The pulse gating is not suitable of RC loads R loads It is suitable of every type of load RL loads Correct!Wrong!- Continue >> The improved version of the UJT oscillator triggering circuit is the ramp & pedal triggering rc triggering ramp triggering cosine-pulse triggering Correct!Wrong!- Continue >> If the gating circuits generator negative pulses, then those can be removed by using clampers schmit triggers zener diodes clippers Correct!Wrong!- Continue >> If the RC firing circuit used for firing an SCR is to be used to fire a TRIAC then the diode should be replaced by a diac the diode should be shorted using a resistor the capacitor should be removed the diode should be replaced by a bjt Correct!Wrong!- Continue >> RB1 = 3 kΩ & RB2 = 6 kΩ. Find the intrinsic stand-off ratio (η) of the UJT 2/3 1/3 9 3 Correct!Wrong!- Continue >> In case of a cosine firing scheme, __________ is used to get a cosine wave an integrator circuit ic 555 a comparator a differentiator circuit Correct!Wrong!- Continue >> The decaying factor in the wave shape of the output pulses from the pulse transformer is its capacitance inductance transformer ratio resistance Correct!Wrong!- Continue >> In the thyristor gating circuit, the ZCD is used to amplify the voltage used to step-down the voltage produce a train of pulses convert AC input the ramp voltage Correct!Wrong!- Continue >> The firing-angle delay is inversely proportional to the control signal voltage directly proportional to the control signal voltage directly proportional to the synchronizing transformer voltage inversely proportional to the synchronizing transformer voltage Correct!Wrong!- Continue >> Share the quiz to show your results ! Facebook Facebook Just tell us who you are to view your results ! Show my results >> Gating Circuits I got %%score%% of %%total%% right Share your results Facebook Facebook Twitter Google+ ↺ PLAY AGAIN ! Share With Your Friends Facebook Twitter LinkedIn Pinterest Email WhatsApp
