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Two different wires have specific resist...

Two different wires have specific resistivity, Tengths, area of cross-sections are in the ratio `3: 4, 2 : 9 and 8:27`. Then the ratio of resistance of two wires is 

A

`16:9`

B

`9:16`

C

`8:27`

D

`27:8`

Text Solution

Verified by Experts

The correct Answer is:
B
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AAKASH SERIES-CURRENT ELECTRICITY-EXERCISE - II
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  2. A copper wire of cross-sectional area 3.4 mm and length of the wire 40...

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  3. Two different wires have specific resistivity, Tengths, area of cross-...

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  4. Two wires made of same material have their length are in the ratio 1:2...

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  5. Four wires made of same material have different lengths and radii, the...

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  6. A copper wire of cross sectional area 0.01 mm^(2)? is used to prepare ...

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  7. If a copper wire is stretched to increase its length by 0.1%. Then per...

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  8. A wire of resistance 18 ohm is drawn until its radius reduces 1//2^(th...

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  9. If an iron wire is drawn to decrease its radius by 0.5 %. Then percent...

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  10. A conducting liquid is filled in a vessel of area of cross section A u...

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  11. A network of resistore is connected to a 16 V battery with internal re...

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  12. A wire of resistance 'R' is cut into four equal parts and they are bun...

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  13. A wire of resistance 18 ohm is bent to form an equilateral triangle. T...

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  14. Four conductors of resistance 16Omega each are connected to form a squ...

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  15. A piece of wire of resistance 4Omega is bent through 180^(@) at its mi...

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  16. When two resistances are connected in parallel then the equivalent res...

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  17. A technician has only two resistance coils. By using them singly in se...

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  18. If three wires of equal resistance are given then number of combinatio...

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  19. The effective resistance between A and B in the given circuit is.

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  20. A letter 'A' is constructed of a uniform wire with resistance 1.0Omega...

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