Electronic Devices and Circuits MCQs with answers Page - 21

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. If the capacitor from emitter to ground in a common emitter amplifier is removed, the voltage gain

  • (A) increases
  • (B) decreases
  • (C) becomes erratic
  • (D) remains the same

A

Admin • 833.24K Points
Coach

Q. Comparatively, power amplifier has β.

  • (A) large
  • (B) very large
  • (C) small
  • (D) very small

A

Admin • 833.24K Points
Coach

Q. The driver stage usually employs amplifier.

  • (A) class a power
  • (B) class c
  • (C) push-pull
  • (D) class ab

A

Admin • 833.24K Points
Coach

Q. The push-pull circuit must use operation.

  • (A) class a
  • (B) class b
  • (C) class c
  • (D) class ab

A

Admin • 833.24K Points
Coach

Q. A complementary-symmetry amplifier has

  • (A) one pnp and one npn transistor
  • (B) two pnp transistors
  • (C) two npn transistors
  • (D) two pnp and two npn transistors

A

Admin • 833.24K Points
Coach

Q. Power amplifiers generally use transformer coupling because transformer coupling provides

  • (A) cooling of the circuit
  • (B) distortionless output
  • (C) impedance matching
  • (D) good frequency response

A

Admin • 833.24K Points
Coach

Q. The output transformer used in a power amplifier is a/an transformer

  • (A) 1:1 ratio
  • (B) step-down
  • (C) step-up
  • (D) isolation

A

Admin • 833.24K Points
Coach

Q. An emitter follower has a voltage gain that is

  • (A) much less than one
  • (B) approximately equal to one
  • (C) greater than one
  • (D) zero

A

Admin • 833.24K Points
Coach

Q. The input impedance of the base of an emitter follower is usually

  • (A) low
  • (B) high
  • (C) shorted to ground
  • (D) open

A

Admin • 833.24K Points
Coach

Q. The ac base voltage of an emitter follower is across the

  • (A) emitter diode
  • (B) dc emitter resistor
  • (C) load resistor
  • (D) emitter diode and external ac emitter resistance

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.