A rod made up of metal is 1.2 m long and 0.8 cm diameter. Its resistance is 3.5 × 10−3 Ω. Another disc made of the same metal is 2.0 cm in diameter and 1.25 mm thick. What is the resistance between the round faces of the disc?

• A. 1.35 × 10−8 Ω
• B. 2.70 × 10−7 Ω
• C. 5.82 × 10−7 Ω
• D. 8.10 × 10−5 Ω