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Resistance of a wire is 8 Omega . It is ...

Resistance of a wire is `8 Omega `. It is drawn in such away that it experiences a longitudinal strain of 400 %. The new resistance is

A

`100 Omega `

B

`200 Omega `

C

`300 Omega `

D

`400 Omega `

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The correct Answer is:
B
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AAKASH SERIES-APPENDICES ( REVISION EXERCISE )-REVISION EXERCISE (CUTTENT ELECTRICITY )
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  3. Resistance of a wire is 8 Omega . It is drawn in such away that it exp...

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  4. Find the value of colour coded resistance shown is fig

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  5. The colour coded resistance of corbon resistance is (Initial three ban...

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  6. The colour coded carbon resistance has three bands. the bands from lef...

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  7. The third band in colour coded resistance represents

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  8. The resistance of the wire is 121 ohm. It is divided into 'n' equal pa...

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  9. When two resistance 10 Omega and 20 Omega are connected in series an...

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  10. When two resistances are connected in series. The effective resistance...

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  11. The resultant resistance of two resistance in series is 50 Omega and i...

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  12. A uniform wire is cut into 10 segments of increasing length. Each segm...

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  13. Two square metal plates A and B are of the same thickness and material...

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  14. Three unequal resistors in parallel are equivalent to a resistance 1 o...

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  15. When 16 wires which are identical are connected in series, the effecti...

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  16. A uniform conductor of resistance R is cut into 20 equal pieces. Half ...

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  17. A wire of resistance 3 Omega is stretched uniformly then the length i...

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  18. Four resistance 10 Omega , 5 Omega , 7 Omega and 3 Omega are conne...

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  19. If the galvanometer reading is zero, in the given circuit. Then the va...

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  20. Th equivalent resistance between points A and B of an infinite network...

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