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The resistance of a 10m long wire is 10 ...

The resistance of a 10m long wire is 10 `Omega`. Its length is increased by 25% by stretching. The resistance of the wire is now

A

`12.5 Omega`

B

`14.5 Omega`

C

`15.6 Omega`

D

`16.6 Omega`

Text Solution

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The correct Answer is:
A
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  15. A metallic wire of resistance 40 Omega is stretched to twice its lengt...

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  16. A metallic wire is drawn to reduce its diameter to half its original v...

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  17. Three resistances each of 4 Omega are connected to form a triangle. Th...

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  18. Four wires of equal length and of resistance 10 Omega each are connect...

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