GEO 2021Q68
Q: Consider a copper wire of length 1 m and area of cross-section 1 mm². Given the resistivity of the copper is 1.7 × 10⁻⁶ Ω cm. What is the resistance of this wire?
(a)17 milli-ohm
(b)1.7 milli-ohm
(c)0.17 milli-ohm
(d)0.17 ohm
Correct Answer: (a)
Detailed explanation coming soon.