Single Answer MCQ
Q-00040442
Which formula represents the relationship between resistance, resistivity, length, and area?
1
R = ρA/l
2
R = ρl/A
3
R = Aρ/l
4
R = lA/ρ
Answer and Solution
Answer
B. R = ρl/A
Solution:
The correct formula is R = ρl/A, showing that resistance is proportional to length and inversely proportional to area.
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