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Define : Electromotive force...

Define : Electromotive force

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CHETANA PUBLICATION-ELECTRIC CURRENT THROUGH CONDUCTORS-EXERCISE
  1. A silver wire has a resistance of 4.2 Omega at 27^@C and resistance 5....

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  2. Define : Internal resistance

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  3. Define : Electromotive force

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  4. Define : Terminal potential differences.

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  5. State the advantages of cells in series.

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  6. State the advantages and disadvantages of cells in parallel

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  7. Derive the expression for Eeq and req when two cells are connected in ...

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  8. State different types of electrical cells.

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  9. Explain hydrogen fuel cell vehicles are more environment friendly

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  10. Distinguish between cells in series and cells in parallel.

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  11. Distinguish between primary cells and secondary cells.

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  12. Find the steady curent flowing through a metal wire when 3 xx 10^8 ele...

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  13. A current of 800 mA is passed through an electric lamp for one minute....

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  14. Write down in order the colours of bands for the following carbon resi...

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  15. Write down in order the colours of bands for the following carbon resi...

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  16. Find the values of the resistors with the following colour code: Gree...

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  17. Find the values of the resistors with the following colour code: Grey...

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  18. Find the resistance of a copper cable of length 8 km, diameter 3mm, if...

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  19. Calculate the specific resistance of the material of a wire having a r...

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  20. A current of 0.4 A flows through a lamp, when a P.D. of 230 V is appli...

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