Online TestPower Diodes Objective Questions – Part 1 Power Diodes Objective Questions Power Electronics Objective Questions & Answers 0% An ideal power diode must have low forward current carrying capacity high reverse recovery time high ohmic junction resistance large reverse breakdown voltage Correct!Wrong!- Continue >> A diode is said to be forward biased when the anode is negative with respect to the anode both cathode & anode are positive anode is positive with respect to the cathode cathode is positive with respect to the anode Correct!Wrong!- Continue >> A diode is said to be reversed biased when the cathode is positive with respect to the anode cathode is negative with respect to the anode both cathode & anode are negative anode is positive with respect to the cathode Correct!Wrong!- Continue >> The peak inverse current IP for a power diode is given by the expression IP=t * di/dt IP=t * ∫ t*i dt IP=t + di/dt IP=t * log i Correct!Wrong!- Continue >> A power diode with small softness factor (S-factor) has large oscillatory over voltages small peak reverse current large peak reverse current small oscillatory over voltages Correct!Wrong!- Continue >> Power diode is __________ a three terminal semiconductor device a two terminal semiconductor device a four terminal semiconductor device a three terminal analog device Correct!Wrong!- Continue >> In case of an ideal power diode, the leakage current flows from anode to cathode leakage current does not flow cathode to anode in both the directions Correct!Wrong!- Continue >> To make a signal diode suitable for high current & high voltage carrying applications with minimum losses, ________ a lightly doped p layer is grown between the two p & n layers a lightly doped n layer is grown between the two p & n layers a heavily doped n layer is grown between the two p & n layers a heavily doped p layer is grown between the two p & n layers Correct!Wrong!- Continue >> Which of the following is true in case of a power diode with R load? I initial grows than decays I is independent of V I grows almost linearly with V I decays almost linearly with V Correct!Wrong!- Continue >> The V-I Characteristics of the diode lie in the Only in the 1st quadrant 1st & 4th quadrant 1st & 3rd quadrant 1st & 2nd quadrant 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 >> Power Diodes-1 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
