MCQs in Introduction to Electronic Principles

Multiple Choice Questions in Introduction to Electronic Principles from the book Electronic Principles by Albert Malvino. Make sure to familiarize each and every questions

MCQs in Introduction to Communication Systems
This is the Multiple Choice Questions in Chapter 1: Introduction to Electronic Principles from the book Electronic Principles 7th Edition by Albert Malvino. If you are looking for a reviewer in Electronics Engineering this will definitely help. I can assure you that this will be a great help in reviewing the book in preparation for your Board Exam. Make sure to familiarize each and every questions to increase the chance of passing the ECE Board Exam.

Topic Outline

  • MCQs in Three Kinds of Formulas
  • MCQs in Approximation
  • MCQs in Voltage Sources
  • MCQs in Current Sources
  • MCQs in Thevenin's Theorem
  • MCQs in Norton's Theorem

Begin and Good luck!

Choose the letter of the best answer in each questions.

1. An ideal voltage source has

  • a) Zero internal resistance
  • b) Infinite internal resistance
  • c) A load-dependent voltage
  • d) A load-dependent current

2. A real voltage source has

  • a. Zero internal resistance
  • b. Infinite internal resistance
  • c. A small internal resistance
  • d. A large internal resistance

3. If a load resistance is 1 kΩ, a stiff voltage source has a resistance of

  • a. At least 10 ohm
  • b. Less than 10 ohm
  • c. More than 100 kΩ
  • d. Less than 100 kΩ

4. An ideal current source has

  • a. Zero internal resistance
  • b. Infinite internal resistance
  • c. A load-dependent voltage
  • d. A load-dependent current

5. A real current source has

  • a. Zero internal resistance
  • b. Infinite internal resistance
  • c. A small internal resistance
  • d. A large internal resistance

6. If a load resistance is 1 kΩ, a stiff current source has a resistance of

  • a. At least 10 ohm
  • b. Less than 10 ohm
  • c. More than 100 kΩ
  • d. Less than 100 kΩ

7. The Thevenin voltage is the same as the

  • a. Shorted-load voltage
  • b. Open-load voltage
  • c. Ideal source voltage
  • d. Norton voltage

8. The Thevenin resistance is equal in value to the

  • a. Load resistance
  • b. Half the load resistance
  • c. Internal resistance of a Norton circuit
  • d. Open-load resistance

9. To get the Thevenin voltage, you have to

  • a. Short the load resistor
  • b. Open the load resistor
  • c. Short the voltage source
  • d. Open the voltage source

10. To get the Norton current, you have to

  • a. Short the load resistor
  • b. Open the load resistor
  • c. Short the voltage source
  • d. Open the current source

11. The Norton current is sometimes called the

  • a. Shorted-load current
  • b. Open-load current
  • c. Thevenin current
  • d. Thevenin voltage

12. A solder bridge

  • a. may produce a short
  • b. may cause an open
  • c. is useful in some circuits
  • d. always has high resistance

13. A cold-solder joint

  • a. shows good soldering technique
  • b. usually produces an open
  • c. is sometimes useful
  • d. always has low resistance

14. An open resistor has

  • a. Infinite current through it
  • b. Zero voltage across it
  • c. Infinite voltage across it
  • d. Zero current through it

15. A shorted resistor has

  • a. Infinite current through it
  • b. Zero voltage across it
  • c. Infinite voltage across it
  • d. Zero current through it

16. An ideal voltage source and an internal resistance is an example of the

  • a. Ideal approximation
  • b. Second approximation
  • c. Higher approximation
  • d. Exact model

17. Treating a connecting wire as a conductor with zero resistance is an example of the

  • a. Ideal approximation
  • b. Second approximation
  • c. Higher approximation
  • d. Exact model

18. The voltage out of an ideal voltage source

  • a. Is zero
  • b. Is constant
  • c. Depends on the value of load resistance
  • d. Depends on the internal resistance

19. The current out of an ideal current source

  • a. Is zero
  • b. Is constant
  • c. Depends on the value of load resistance
  • d. Depends on the internal resistance

20. Thevenin’s theorem replaces a complicated circuit facing a load by an

  • a. Ideal voltage source and parallel resistor
  • b. Ideal current source and parallel resistor
  • c. Ideal voltage source and series resistor
  • d. Ideal current source and series resistor

21. Norton’s theorem replaces a complicated circuit facing a load by an

  • a. Ideal voltage source and parallel resistor
  • b. Ideal current source and parallel resistor
  • c. Ideal voltage source and series resistor
  • d. Ideal current source and series resistor

22. One way to short a device is

  • a. With a cold-solder joint
  • b. With a solder bridge
  • c. By disconnecting it
  • d. By opening it

23. Derivations are

  • a. Discoveries
  • b. Inventions
  • c. Produced by mathematics
  • d. Always called theorems

24. Laws are proved by

  • a. Definition
  • b. Experiment
  • c. Mathematics
  • d. Formulas

25. Definitions are

  • a. Man made
  • b. Invented
  • c. Made up
  • d. All of the above

Check your work.

Complete List of MCQs in Electronic Principles by Albert Malvino


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