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A secondary cell after long use has an e...

A secondary cell after long use has an emf of 1.9 V and a large internal resistance of `380 Omega` . What maximum current can be drawn from the cell? Could the cell drive the starting motor of a car?

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PSEB-CURRENT ELECTRICITY-EXERCISE
  1. The earth’s surface has a negative surface charge density of 10^-9 C m...

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  2. Six lead-acid type of secondary cells each of emf 2.0 V and internal r...

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  3. A secondary cell after long use has an emf of 1.9 V and a large intern...

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  4. Two wires of equal length, one of aluminium and the other of copper ha...

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  5. What conclusion can you draw from the following observations on a resi...

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  6. Answer the following questions: A steady current flows in a metallic c...

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  7. Answer the following questions: Is Ohm’s law universally applicable fo...

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  8. Answer the following questions: A low voltage supply from which one ne...

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  9. Answer the following questions: A high tension (HT) supply of, say, 6 ...

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  10. Choose the correct alternative: Alloys of metals usually have (greater...

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  11. Choose the correct alternative: Alloys usually have much (lower//highe...

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  12. Choose the correct alternative: The resistivity of the alloy manganin ...

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  13. Choose the correct alternative: The resistivity of a typical insulator...

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  14. Given n resistors each of resistance R. how will you combine them to g...

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  15. Given n resistors each of resistance R. how will you combine them to g...

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  16. Given the resistances of 1Omega ,2Omega ,3Omega , how will be combine ...

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  17. Determine the equivalent resistance of networks shown in Fig. 3.31. :

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  18. Determine the current drawn from a 12V supply with internal resistance...

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  19. Figure shows a potentiometer with a cell of 2.0 V and internal resist...

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  20. Figure shows a potentiometer with a cell of 2.0 V and internal resist...

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