Which of the following correctly relates the resistance of a uniform wire to its…

PHYSICS · Single correct · CBSE · Physics · Current Electricity · Current Electricity

Problem

Which of the following correctly relates the resistance

R

of a uniform wire to its resistivity

\rho

, length

l

, and cross-sectional area

A

? (a)

R = \dfrac{A}{\rho l}

(b)

R = \rho \dfrac{l}{A}

(c)

R = \dfrac{\rho}{lA}

(d)

R = \dfrac{l}{\rho A}

Related theory

Browse the problem library