31. If the doping level of a crystal diode is increased, the breakdown voltage___________ A. remains the same B. is increased C. is decreased D. none of the above Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option C No explanation is given for this question Let's Discuss on Board
32. A crystal diode has forward resistance of the order of ___________ A. kΩ B. Ω C. MΩ D. none of the above Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option B No explanation is given for this question Let's Discuss on Board
33. The reverse current in a diode is of the order of ___________ A. kA B. mA C. μA D. A Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option C No explanation is given for this question Let's Discuss on Board
34. Mains a.c. power is converrted into d.c. power for ___________ A. lighting purposes B. heaters C. using in electronic equipment D. none of the above Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option C No explanation is given for this question Let's Discuss on Board
35. There is a need of transformer for ___________ A. half-wave rectifier B. centre-tap full-wave rectifier C. bridge full-wave rectifier D. none of the above Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option B No explanation is given for this question Let's Discuss on Board
36. A zener diode is ___________ device A. a non-linear B. a linear C. an amplifying D. none of the above Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option A No explanation is given for this question Let's Discuss on Board
37. The leakage current in a crystal diode is due to ___________ A. minority carriers B. majority carriers C. junction capacitance D. none of the above Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option A No explanation is given for this question Let's Discuss on Board
38. A zener diode utilizes ___________ characteristics for its operation. A. forward B. reverse C. both forward and reverse D. none of the above Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option B No explanation is given for this question Let's Discuss on Board
39. ___________ rectifier has the lowest forward resistance A. solid state B. vacuum tube C. gas tube D. none of the above Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option A No explanation is given for this question Let's Discuss on Board
40. The doping level in a zener diode is ___________ that of a crystal diode A. the same as B. less than C. more than D. none of the above Answer & Solution Discuss in Board Save for Later Answer & Solution Answer: Option C No explanation is given for this question Let's Discuss on Board