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31 Oct 2021
Given information
It is given that there are two aluminum wires of the same resistance but one has twice the length of the other.
Step-by-step explanation
Step 1.
The resistance (R) of a resistor is related with the resistivity of it’s material (ρ), it’s length (l) and the cross-sectional area (A) as,
Where, d is the diameter of the resistor.
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