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Establish the following relation for cur...

Establish the following relation for current flowing through a circuit containing an external ressitanace R, a battery of e.m.f E and internal resistance r.
`I = E/(R+r)`

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BINA LIBRARY-CURRENT ELECTRICITY-EXERCISE
  1. State Kirchoff's laws of current electricity.

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  2. Apply Kirchhoff's laws to establish the principle of a balanced Wheats...

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  3. Establish the following relation for current flowing through a circuit...

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  4. Obtain an expression for the equivalent resistance when n identical re...

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  5. n identical resistors each having resistance R are connected in parall...

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  6. One low resistance is connected in parallel to a high resistance. Show...

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  7. What is a potentiometer? Why is it most accurate device in measuring e...

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  8. Define rest and motion

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  9. What is Ohm's law? Describe.

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  10. Give an example of circular motion.

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  11. What is meant by rectilinear motion? Give two examples.

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  12. Why heat energy is produced, when electric current passes through a re...

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  13. Obtain an expression for the heat produced in a wire, when a current I...

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  14. Write two differences between electromotive force and potential differ...

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  15. Give two example of periodic motion.

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  16. What is the principle of a meter bridge.

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  17. State the principle of working of a potentiometer.

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  18. If the length of a wire is doubled and cross-sectional area is halved,...

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  19. Two ends of a conducting wire of non-uniform cross-section are connect...

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  20. The magnitude of drift velocity of free electrons in a conductor is ve...

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