Why resistivity does not depend on length and area?
Please explain! Don't copy from Google, guys.
Answers
Answer:
it depends on area and length
Explanation:
in areal expansion length is negligible so it is negligible for restivity.in case of linear expansion area is negligible for resistivity
Answer:
Explanation:
Resistance of a conductor directly depends upon Length of the wire L
Inversely depends upon Area of Cross section of the conductor 1/A
Nature of material used.
Therefore, R=ρ L/A
Listen, it is not copied from Google and just understand the concept I am going to tell now.
As R is directly proportional to L, the R will increase when L increases. For example, if L is doubled, R will also double.
As R is inversely proportional to A, i.e., R = 1/A, the R will decreases when A increases. For example, if A is doubled, R will be halved.
Hope it helps...
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