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A wire of a certain material is stretche...

A wire of a certain material is stretched slowly by ten percent. Its new resistance and specific resistance become respectively.

A

1.2 times, 1.1 times

B

1.21 times, same

C

both remain the same

D

1.1 times, 1.1 times

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The correct Answer is:
B
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MOTION-CURRENT ELECTRICITY-EXERCISE -3 SECTION -A (PREVIOUS YEAR PROBLEMS NEET)
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  6. A wire of resistance 12 Omega m^(-1) is bent to from a complete circle...

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  7. See the electrical circuit shown in this figure. Which of the followin...

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  8. A student measures the terminal potential difference (V) of a cell (of...

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  9. A steady current is set up in a metalic wire of non- uniform cross-sec...

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  10. Seven resistance are connected as shown in the firgure. The equivalent...

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  11. Statement-I: The power delivered to a light bulb is more just after it...

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  12. A student measures the terminal potential difference (V) of a cell (of...

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  13. If voltage across a bulb rated 220 V – 100 W drops by 2.5% of its rate...

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  14. The power dissipated in the circuit shown in the figure is 30 W. The v...

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  15. A ring is made of a wire having a resistance R(0) = 12 Omega. Find the...

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  16. 6Omega and 12Omega resistors are connected in parallel. This combinati...

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  17. Charge passing through a conductor of cross-section area A=0.3 m^2 is...

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  18. A cell having an emf E and internal resistance r is connected across a...

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  19. In the circuit shown the cells A and B have negligible resistance. For...

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  20. A current of 2 A flows through a 2 Omega resistor when connected acros...

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