When a 1.0-m length of metal wire is connected to a
Battery,a current of
Flows through it.What is the diameter of the wire? The resistivity of the metal is 2.24 × 10-8 Ω ∙ m.
A) 12 μm
B) 6.0 μm
C) 24 μm
D) 2.2 μm
Correct Answer:
Verified
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