NEET Physics Resistance & Resistivity MCQ Question
What is the relationship that defines the resistance R of a conductor in terms of its length l and cross-sectional area A?
R = ρ(l/A)
R = ρ(A/l)
R = l/ρA
R = A/(ρl)
Correct Answer
Detailed Explanation
The resistance of a conductor is defined by the formula R = ρ(l/A), where ρ is the resistivity of the material, which is a property that depends on temperature and pressure.
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