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A wire has a length of 2.0m and a resist...

A wire has a length of 2.0m and a resistance of `5.0(Omega)`.Find the electric field existing inside the wire if it carries a current of 10A.

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` l= 2m, R= 5Omega , `
` i=10A, E=?`
` V = iR = 10 xx 5 =50V`
` E = V/l = 50/2 = 25V/m` .
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HC VERMA ENGLISH-ELECTRIC CURRENT IN CONDUCTORS-Exercises
  1. A copper wire of radius 0.1mm and resistance 1k(Omega)is connected acr...

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  2. Calculate the electric field in a copper wire of cross-sectional area2...

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  3. A wire has a length of 2.0m and a resistance of 5.0(Omega).Find the el...

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  4. The resistances of an iron wire and a copper wire at 20^(@)Care 3.9(Om...

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  5. The current in a conductor and the potential difference across its end...

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  6. Shown an arrangement to measure the emf (epsilon)and internal resistan...

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  7. The potential difference between the terminals of a battery of emf 6.0...

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  8. The potential difference between the terminals of a 6.0V battery is 7....

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  9. The internal resistance of an accumulator battery of emf 6V is 10(Omeg...

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  10. Find the value of i(1)//I(2)in figure if where R=10(Omega)

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  11. Consider N=n(1)n(2)indentical cells, each of emf(epsilon) and internal...

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  12. A battery of emf 100V and a resistor of resistance 10k(Omega)are joine...

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  13. If the reading of ammeter A(1)in figure is 2.4 A, what will the ammete...

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  14. The resistance of the rheostat shown in figure is 30(Omega). Neglectin...

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  15. Three bulbs,each having a resistance of 180(Omega)are connected in par...

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  16. Suppose you have three resistor of (20 Omega),(50 Omega)and (100 Omega...

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  17. A bulb is made using two filaments.A switch selects whether the filame...

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  18. 100A exists in the 5k(Omega) resistor, find the currents in the other ...

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  19. An ideal battery sends a current of 5A in a resistor. When another res...

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  20. Find the equivalent resistances of the network shown in figurebetween ...

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