Last Updated On 16-03-2023 - By Jeesha Sara
Two copper wires of lengths 
and 
have radii 
and 
respectively. What is ratio of their specific resistances?
a)
1 : 2
b)
2 : 1
c)
1 : 1
d)
1 : 3
Two copper wires of lengths and have radii and respectively. What is ratio of their specific resistances?
a)
1 : 2
b)
2 : 1
c)
1 : 1
d)
1 : 3
Question ID - 150305 :-
Two copper wires of lengths and have radii and respectively. What is ratio of their specific resistances?
a)
1 : 2
b)
2 : 1
c)
1 : 1
d)
1 : 3
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Two copper wires of lengths |
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|
a) |
1 : 2 |
b) |
2 : 1 |
c) |
1 : 1 |
d) |
1 : 3 |
|
(c) The specific resistance ( |
) is the characteristic of the material of conductor. Its value depends only on the material of conductor and its temperature. Its value does not depend on the length and area of cross-section of the conductor.Next Question :
What is the equivalent resistance between 
in the given circuit?
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a) |
|
b) |
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c) |
|
d) |
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