Pls answer fast and correctly Two conductors A and B of have their lengths in ratio 4 : 3, area of cross-section in ratio 1 : 2 and their resistivities in ratio 2 : 3. What will be the ratio of their resistances?
Pls answer fast and correctly Two conductors A and B of have their lengths in ratio 4 : 3, area of cross-section in ratio 1 : 2 and their resistivities in ratio 2 : 3. What will be the ratio of their resistances?
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Answer:
hope it is helpful to you
The ratio of the resistances of the two conductors is 16:9
Explanation:
Given:
The ratio of lengths of two conductors
The ratio of cross-sectional areas of two conductors
The ratio of resistivities of two conductors
To find out:
The ratio of resistances
Solution:
We know that
The relation between resistance length , cross-sectional area and specific resistance [/tex]\rho[/tex] of a conductor is given by
Thus,
For two conductors
And
Hope this answer is helpful.
Know More:
Q: The ratio of resistivity of two materials a and b is 1:2, ratio of their length is 3:4 and if the ratio of radii is 2:3 find the ratio of resistance of a and b.
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