Physics, asked by betelhemtsegaye843, 5 hours ago

A wire made from aluminum of resistivity 2.8×10–⁸ Ohmmeter has a length of 30 meter cross sectional area of 0.45cm². Find the resistance of the wire?

Answers

Answered by altruisticdevil

0

Answer:

1.86 × 10^-2 ohm

Explanation:

R= resistivity × length/ cross-section area

just put the values in SI unit, do some basic multiplication and division you'll get this answer.

1cm^2 = 10^-4 m^2

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