What will be the resistance of a metal wire of length 2m and area of cross section 1.55 x 10 raised to -6 sq.m. The resistivity of the metal is 2.8 x 10 raised to -8 Ohm m.
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Answer:
Resistance of the given wire is 3.612 × 10^-2 ohms
Explanation:
Resistance = Resistivity × Length of wire / Area of cross section
= 2.8 × 10^-8 × 2 / 1.55 × 10^-6
=3.612 × 10^-2 ohms
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