Question

A 700 mm long metallic wire offers 4 Ω resistance. If the resistivity of a metal is 1.6 x 10⁻⁷Ωm, then calculate the area of the cross-section of the wire.
a) 0.25x10⁻⁵ m²
b) 0.50 x 10⁻³ m²
c) 0.28 x 10⁻⁷m²
d) 1.00 x 10⁻⁴ m²​

Answer 1

Answer:

c is your answer

Explanation:

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Answer 2

Answer:

c) is the answer

Explanation:

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