Question

The potential difference across a copper wire is 5.0 V when a current of 0.5 A flows through it. The resistance of the wire is?

• A. 10.0 Ω
• B. 2.5 Ω
• C. 0.1 Ω
• D. 5.0 Ω

Answer 1

Answer:

A. 10.0 Ω

Plugging in the given values, R = 5.0 V / 0.5 A = 10.0 Ω