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Circuit Theory Question Paper

Circuit Theory

Course:Bachelor Of Engineering In Electrical And Computer Engineering

Institution: Moi University question papers

Exam Year:2010

Introduction to Electric Circuits.

Review Questions.

1. The SI unit of energy is the joule. The joule is a derived unit equal to one newton meter. Why is it possible ve express energy in terms of force and distance?

2. How can we demonstrate that electric force is a field force rather than a contact force?

3. Compare Coulomb''s law, which states the factors governing the magnitude of an electric force, with Sir Isaac Newton''s law of universal gravitation.

4. Why is the term drift appropriate for describing electric current in a metallic conductor?

5. What is the magnitude (in coulombs) of the negative charge of a single electron?

6. Although not an approved SI unit, the ampere-second is a unit of electrical measurement. In the measurement of what electrical property would it be used?

7. Both gravitational force and electric force are expressed in newtons. Why is electromotive "force" not a true force?

8. Although charge carriers flow from the load back to the source in one of the conductors of an electric circuit, energy is not transferred from the load back to the source. Explain this in terms of potential rise and potential fall.

9. Why does chemical action cease in a battery when the switch in the electric circuit is opened?

10. Discuss, using numerical examples, how the particular arrangement of letter symbols in the equation V=W/Q satisfies the definition of the volt.

Circuit Theory Question Paper

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