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Four identical cells each of emf 2V, are...

Four identical cells each of emf 2V, are joined in parallel providing supply of current to external circuit consisting of two 15 Omega resistors joined in parallel. The terminal voltage of the cells ae read by an ideal voltmeter is 1.6V. Calculate the internal resistance of each cell.

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MODERN PUBLICATION-ELECTRIC CURRENT. RESISTANCE AND E.M.F-EXERCISE
  1. Four identical cells each of emf 2V, are joined in parallel providing ...

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  2. What is drift velocity of electrons? How do you explain the flow of cu...

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  3. Derive an expressions between drift velocity of elctron and electric c...

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  4. Define drift velocity of electricity and establish its relation with v...

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  5. Explain the term drift velocity of electrons. Hence obtain the express...

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  6. Prove that the current density of a metallic conductor is directly pro...

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  7. Define 'relaxation time' in a conductor. Explain how it varies with in...

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  8. What is the effect of temperature on relaxation time in a metal?

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  9. Derive an expression for drift velocity of free electrons in a conduct...

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  10. Define relaxation time of the electrons drifting in a conductor. How i...

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  11. What is drift velocity?

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  12. What are ohmic and non-ohmic resistors? Give one example of each.

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  13. Deduce Ohm's law using the concept of drift velocity.

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  14. Discuss the various situations, which describe the failure of Ohm's la...

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  15. Resistance of a conductor depends on:

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  16. Resistance of a conductor depends on:

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  17. On what factors resistivity of the material depend?

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  18. Explain how the resistivity of a conductor depends upon relaxation tim...

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  19. Define 'relaxation time' in a conductor. Explain how it varies with in...

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  20. Define the term resistivity and write its S.I. unit. Derive the expres...

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  21. What do you understand by electrical resistivity and give its relation...

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