A wire 251 m long and 600 mm in diameter has a resistance


A wire 25.1 m long and 6.00 mm in diameter has a resistance of 15.0 m. A potential difference of 28.0 V is applied between the ends.

(a) What is the current in the wire?

A

(b) What is the current density?

A/m2

(c) Calculate the resistivity of the wire material.

m

(d) Identify the material.

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Physics: A wire 251 m long and 600 mm in diameter has a resistance
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