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Circuit Theory Question Paper

Circuit Theory 

Course:Bachelor Of Engineering In Electrical And Electronics Engineering

Institution: Moi University question papers

Exam Year:2010



CIRCUIT THEORY
RESISTANCE NETWORKS

1. Define a constant voltage source.

2. Why is the terminal voltage of a constant-voltage source not necessarily constant as the load resistance is varied?

3. Describe a laboratory procedure for determining the internal resistance of an automobile storage battery.

4. What is the significance of the term short-circuit current?

5. How would you determine the short-circuit current of an automobile battery?

6. What is the significance of the term open-circuit voltage?

7. Define a constant current source.

8. Why is the current drawn from a constant-current source not necessarily constant as the load resistance is varied?

9. What happens to the terminal voltage of a constant-current source when a load resistance is connected to it? Explain.

10. Compare equivalent constant-voltage and constant-current sources in terms of their open-circuit voltage and short-circuit current.

11. Describe the two methods for determining the internal resistance of constant-voltage and constant-current sources.




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