Chapter 9 DIODE USED FOR A SPECIAL PURPOSE MCQs 10 min Score: 0 Attempted: 0/10 Subscribe 1. . Zener diodes are also known as (A) Forward bias diode (B) Voltage regulators (C) Breakdown diode (D) None of the mentionedShow All Answers 2. . Which of the following can be used in series with a Zener diode so that combination has almost zero temperature coefficient? (A) Diode (B) Resistor (C) Transistor (D) MOSFETShow All Answers 3. . Which of the following is true about the resistance of a Zener diode? (A) All of the mentioned (B) It has dynamic resistance (C) The value of the resistance is the inverse of the slope of the i-v characteristics of the Zener diode (D) It has an incremental resistanceShow All Answers 4. . To reduce the breakdown voltage a Zener diode is: (A) Lightly doped (B) Heavily doped (C) Moderately doped (D) None of aboveShow All Answers 5. . Optoelectronic devices works on ___________. (A) light (B) electrical current (C) Both A and B (D) None of the aboveShow All Answers 6. . LED stands for _________. (A) light emitting devices (B) light emitting diode (C) light emitting disc (D) None of the aboveShow All Answers 7. . Which among the following devices work on the basis of photo-voltaic effect? (A) Photo-diode (B) LED (C) LCD (D) None of the aboveShow All Answers 8. . Light-emitting diode is a _________ semiconductor diode. (A) P-N (B) P-P (C) N-N (D) None of the aboveShow All Answers 9. . The full form of LCD is ____________ (A) Liquid Crystalline Display (B) Liquid Crystal Display (C) Logical Crystal Display (D) Logical Crystalline DisplayShow All Answers 10. . The optical properties of liquid crystals depend on the direction of ___________ (A) Air (B) Solid (C) Light (D) WaterShow All Answers
