saraheggelmeyer saraheggelmeyer 09-02-2024 Physics contestada A silver wire has a length of 22.0 m and a resistance of 4.90 Ω at 20.0°C. Assuming a circular cross-section, what is the wire's diameter (in mm)? The resistivity of silver at 20.0°C is 1.59 ✕ 10−8 Ω · m.