Consider a Conductor for Which
R = the Resistance in Ohms

question 30

Multiple Choice

Consider a conductor for which
R = the resistance in ohms,
$\rho$ = the resistivity,
A = the cross sectional area in m², and
L = the length in meters.
Which of the following is an expression for $\rho$ ?

• A) RL/A
• B) RLA
• C) R/(LA)
• D) LA/R
• E) AR/L

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