Electronic Devices and Circuits MCQs with answers Page - 41

Here, you will find a collection of MCQ questions on Electronic Devices and Circuits. Go through these questions to enhance your preparation for upcoming examinations and interviews.

To check the correct answer, simply click the View Answer button provided for each question.

Have your own questions to contribute? Click the button below to share your MCQs with others!

+ Add Question

A

Admin • 833.24K Points
Coach

Q. The emitter diode is usually ?

  • (A) Forward-biased
  • (B) Reverse-biased
  • (C) Non-conducting
  • (D) Operating in the breakdown region

A

Admin • 833.24K Points
Coach

Q. If you recalculate the collector-emitter voltage with the second approximation, the answer will usually beIf you recalculate the collector-emitter voltage with the second approximation, the answer will usually be ?

  • (A) Smaller than the ideal value
  • (B) The same as the ideal value
  • (C) Larger than the ideal value
  • (D) Inaccurate

A

Admin • 833.24K Points
Coach

Q. A transistor is said to be in quiescent state when ?

  • (A) It is unbiased
  • (B) No current flows through it
  • (C) Emitter junction is just biased equal to Collector Junction
  • (D) No signal is applied to the input

A

Admin • 833.24K Points
Coach

Q. If the base current is 100 mA and the current gain is 30, the collector current is ?

  • (A) 300 mA
  • (B) 3 A
  • (C) 333 A
  • (D) 10 A

A

Admin • 833.24K Points
Coach

Q. For normal operation of the transistor, the collector diode has ?

  • (A) Forward-biased
  • (B) Reverse-biased
  • (C) Non-conducting
  • (D) Operating in the breakdown region

A

Admin • 833.24K Points
Coach

Q. The current gain of a transistor is defined as the ratio of the collector current to the ?

  • (A) Base current
  • (B) Emitter current
  • (C) Supply current
  • (D) Collector current

A

Admin • 833.24K Points
Coach

Q. Most of the electrons in the base npn transistor do not recombine because they ?

  • (A) Have long lifetime
  • (B) Have negative charge
  • (C) Must flow long way through the base
  • (D) Flow out of the base

A

Admin • 833.24K Points
Coach

Q. for transistor action ?

  • (A) The base region must be very thin and lightly doped
  • (B) The emitter junction should be forward biased and collector junction should be reverse biased emitter should be heavily doped so that it can
  • (C) Supply the required amount of majority carriers
  • (D) All of these

A

Admin • 833.24K Points
Coach

Q. The input/output relationship of the common-collector and common-base amplifiers is ?

  • (A) 270 degrees
  • (B) 180 degrees
  • (C) 90 degrees
  • (D) 0 degrees

A

Admin • 833.24K Points
Coach

Q. The base-emitter voltage of an ideal transistor is ?

  • (A) 0 V
  • (B) 0.3 V
  • (C) 0.7 V
  • (D) 1 V

Add MCQ in this Category

If you want to share an MCQ question in this category, it's a great idea! It will be helpful for many other students using this website.

Share Your MCQ

Browse Categories

Click on category to learn MCQs of that category.