Transistors – 1

Transistors » Exercise – 1

1. A transistor acts as a :

(a) Diode and voltage source
(b) Diode and current source
(c) Diode and power supply
(d) Diode and resistance

Answer : (b)

Explanation : No answer description available for this question. Let us discuss.
Subject Name : Electronics Engineering
Posts Name : Assistant Engineer, Management Trainee, Junior Engineer, Technical Assistant
Electronics & Communication Engineering Books

Question Bank On Electronics & Communication Engineering
Book - question bank on electronics & communication engineering; Language: english; Binding: paperback
₹ 287
A Handbook for Electronics Engineering(Old Edition)
Made Easy Editorial Board (Author); Marathi (Publication Language); 620 Pages - 01/01/2015 (Publication Date) - Made Easy Publications (Publisher)
₹ 320
Basic Electronic Devices and Circuits
Patil (Author); English (Publication Language)
Electronic Circuits: Analysis and Design (SIE) | 3rd Edition
Neamen, Donald (Author); English (Publication Language); 1351 Pages - 08/25/2006 (Publication Date) - McGraw Hill Education (Publisher)
₹ 1,265

GATE 2023 Total InfoENGG DIPLOMAUGC NET Total Info
IES 2023 Total InfoPSUs 2022 Total InfoCSIR UGC NET Total Info
JAM 2023 Total InfoM TECH 2023 Total InfoRAILWAY 2022 Total Info

Related Posts

  • Special Diodes - Exercise - 1Special Diodes » Exercise - 1 1. A Zener diode : (a)  Is a battery under forward biased condition (b)  Acts like battery when it breakdowns (c)  Is a switch (d)  Is a device having barrier potential more than 5V 2. At 25ºC, a Zener diode rates at 2 watts, its power rating at 50ºC will be : (a)  Zero watts (b)  Less than 1 watt (c)  Greater than 2 watts (d)  Less than 2 watts 3. Silicon is appreciably employed as a base material compared to germanium while manufacturing Zener diode since : (a)  silicon is abundantly available (b)  it is costlier (c)  it has low current capability (d)  it has high temperature capability 4. The capacitance of a varactor diode increases, when the reverse voltage across it is : (a) Decreased (b) Increased (c) Kept constant (d) None of the above 5. The main advantage of a point contact diode is that : (a) The ratio of forward current to reverse current is very high (b) Low input impedance (c) Its cut-in voltage is equal to zero (d) Its reverse resistance is infinite 6. Which one of the following is a Square law device ? (a) Zener diode (b) Crystal diode (c) Tunnel diode (d) Varactor diode 7. Match the given lists. List I…
    Tags: diode, electronics, engineering
  • Semiconductor Physics - Exercise - 2Semiconductor Physics » Exercise - 2 51. Generally the value of ac resistance is ________ the value of dc resistance at the same operating point. (a) smaller than (b) larger than (c) the same as (d) unrelated to 52. Calculate static resistance RD of a diode having ID = 30 mA and VD = 0.75 V. (a) 25 (b) 40 (c) 0.04 (d) 0.025 53. Calculate ID if RD = 30 and VD = 0.84 V. (a) 28 mA (b) 0.028 mA (c) 2.8 A (d) 280 A 54. Which of the following elements is most frequently used for doping pure Ge or Si? (a) Boron (b) Gallium (c) Indium (d) All of the above 55. The diffused impurities with ________ valence electrons are called donor atoms. (a) 4 (b) 3 (c) 5 (d) 0 56. In what state is a silicon diode if the voltage drop across it is about 0.7 V? (a) No bias (b) Forward bias (c) Reverse bias (d) Zener region 57. What unit is used to represent the level of a diode forward current IF? (a) pA (b) nA (c) A (d) mA 58. The condition of a semiconductor diode can be determined quickly using a…
    Tags: diode, current, resistance, electronics, engineering
  • Transistors - 63Transistors » Exercise - 2 63. A transistor is a ......... operated device. (a) current (b) voltage (c) both voltage and current (d) none of the above
    Tags: transistors, current, voltage, exercise, transistor, electronics, engineering
  • Transistors - 113Transistors » Exercise - 3 113. The current gain (β) may have a value : (a) 0.5 - 1 (b) 20 - 500 (c) 0.1- 0.5 (d) 10^3 - 10^6
    Tags: transistors, exercise, current, electronics, engineering
  • Transistors - 52Transistors » Exercise - 2 52. The output characteristics curve of a transistor is much more like those of : (a) A diode (b) A tetrode (c) A triode (d) A pentode
    Tags: transistors, exercise, transistor, diode, electronics, engineering


Please enter your comment!
Please enter your name here