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Two cities are 150 km apart. Electric po...

Two cities are 150 km apart. Electric power is sent from one city to another city through copper wires. The fall of potential per km is 8 volt and the average resistance per km is `0.5Omega`. The power loss in the wire is 

A

19.2 kW

B

19.2 J

C

12.2 kW

D

19.2 W

Text Solution

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The correct Answer is:
A
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AAKASH SERIES-CURRENT ELECTRICITY-EXERCISE - III
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  5. The charge flowing through a resistance R varies with time t as Q = at...

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  6. When two identical cells are connected either in series or in parallel...

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  7. Two cells with same e.m.f. .E. and different internal resistances r(1)...

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  8. If in the circuit shown below. The internal resistance of the battery ...

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  9. A 6 V cell with 0.5Omega internal resistance , a 10 v cell with 1Omeg...

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  10. For a cell, the graph between the p.d.(V) across the terminals of the ...

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  11. How many cells each marked (6V-12A) should be connected in mixed group...

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  12. Three equal resistance each of 3Omega are in series and connected to c...

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  13. The P.d between the terminals A&B is

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  14. Eels are able to generate current with biological cells called electro...

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  15. In the circuit shown, current flowing through 25V cell is

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  16. A cell of emf epsilon and internal resistance r is connected across a ...

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  17. The current through 10Omega resister in the figure is approximately

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  18. A current of 3A flows in a circuit the potential difference between th...

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  19. A bettery of 10 V and negligible internal resistance is connected acro...

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  20. In the circuit shown in the figure, if potential at point A is taken t...

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