Home / Online Test / DC Power Supply Objective Questions Online Test DC Power Supply Objective Questions S Bharadwaj ReddyLeave a comment DC Power Supplies Objective Questions 0% Which of the following can be source of supply in dc power supplies? Battery All of the mentioned Full wave rectifier Dry cell Correct! Wrong! - Continue >> Which of the following are not standard value of zener diodes? 6.2V 5.6 V 5.1 V 5.8V Correct! Wrong! - Continue >> For excellent stability, zener diode is kept in temperature controlled casket. False True Correct! Wrong! - Continue >> Which of the following represent change of output voltage when load current is increased? Current regulation Line regulation Voltage regulation Load regulation Correct! Wrong! - Continue >> Which of the applications filters used for? Increasing phase change Reducing ripples Increasing ripples Increasing amplitude Correct! Wrong! - Continue >> Why zener diodes are provided in dc supply? For reference voltage For forward conduction For increasing amplitude For reverse conduction Correct! Wrong! - Continue >> Stability of output voltage is entirely depended on ___________ Stability of transformer Stability of zener diode Capacitor values Quality of wires Correct! Wrong! - Continue >> Which of the following can be used as a comparator? Diode All of the mentioned Zener diode Operational amplifier Correct! Wrong! - Continue >> For instrumentation system, precision variable voltage-reference system is necessary. True False Correct! Wrong! - Continue >> Which of the following generate output voltage much closer to true value? Accurate generator True generator Output generator Precision generator 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 >> DC Power Supplies I got %%score%% of %%total%% right Share your results Facebook Facebook Twitter Google+ ↺ PLAY AGAIN ! Take All Tests : Top 1000 Instrumentation Engineering Tests
