what happens to the resistance of a conductor if it's area of cross section is doubled
Answers
Answered by
1
Answer:
On increasing the area of cross-section, resistance decreases.
Explanation:
This is because resistance is inversely proportional to area.
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Answered by
1
Answer:
the resistance will get half
R= p L/A (which is in initial)
when are will get doubled we get area as 2A
therefore new resistance will be
R'=pL/2A
we can also write this as follows
R'=(pL/A)×1/2
R'=R×1/2. (since R=pL/A)
R'=R/2
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