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If there is an increase in length by 0.1...

If there is an increase in length by 0.1% due to stretching the percentage increase in its resistance will be

A

0.001

B

0.002

C

0.01

D

0.02

Text Solution

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The correct Answer is:
B
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BINA LIBRARY-CURRENT ELECTRICITY-EXERCISE
  1. A wire of resistance R is cut into n equal parts. These parts are conn...

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  2. The resistance of a 10m long wire is 10 Omega. Its length is increased...

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  3. If there is an increase in length by 0.1% due to stretching the percen...

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  4. How many electrons constitute current of one ampere?

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  5. A car battery has emf 12V and internal resistance 5 x 10^-2 Omega. it ...

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  6. The internal resistance of a cell of emf 2V is 0.1Omega. It is connect...

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  7. The resistance in two gaps of a meter bridge are 10 Omega and 30 Omega...

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  8. What is a potentiometer? Why is it most accurate device in measuring e...

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  9. In a potentiometer experiment the balancing length with a cell is 560 ...

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  10. Two resistances are joined in parallel whose resultant is 6/5 ohms. On...

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  11. The smallest resistance obtained by connecting 50 resistance of 1/4 oh...

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  12. How many different combinations of three equal resistors can be made ?

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  13. A steady current flows in a metallic conductor of non uniform cross-se...

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  14. A metallic wire of resistance 40 Omega is stretched to twice its lengt...

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

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

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

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  18. Assuming that the charge of an electron is 1.6 x 10^-19 C. The number ...

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  19. The electrical resistance of metals

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  20. The resistance of a conductor is 5 Omega at 50°C and 6 Omega at 100°C...

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