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Prove that electric energy (W) consumed ...

Prove that electric energy (W) consumed in a conductor is given by the formula `W = I^2R t`

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MODERN PUBLICATION-ELECTRIC CURRENT. RESISTANCE AND E.M.F-EXERCISE
  1. Express electrical conductivity in terms of charge, mass, number densi...

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  2. Define electric power and electric energy. Give their units.

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  3. Prove that electric energy (W) consumed in a conductor is given by the...

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  4. Obtain the formula for the power loss in a conductor of resistance R a...

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  5. Explain colour code for carbon resistors giving examples.

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  6. What is the need of combining different resistors? What is the resulta...

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  7. Derive expression for the total resistance of a circuit in which a few...

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  8. What do you mean by internal resiatnce, e.m.f. (electromotive force) a...

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  9. What is internal resistance of a cell? Derive an expression for it.

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  10. What do you mean by internal resiatnce, e.m.f. (electromotive force) a...

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  11. What is internal resistance of a cell? Derive an expression for it.

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  12. What is internal resistance of a cell? Derive an expression for it.

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  13. What is the difference between e.m.f. and potential diffrence?

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  14. When a battery of e.m.f E and internal resistance r is connected to a ...

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  15. Derive the expression for internal resistance of a cell.

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  16. A cell of e.m.f. E an internal resistance r is connected across an ext...

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  17. A cell of e.m.f. E an internal resistance r is connected across an ext...

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  18. Obtain the condition fo rmaximum current through a resisitor, when a n...

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  19. Two cells of e.m.f E1 and E2 have internal resistance r1 and r2 respec...

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  20. n cells, each having emf. E and internal resistance r are connected in...

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