. If a wire conductor of 0.2 ohm resistance is doubled in length, its resistance becomes*
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The new resistance will become twice of the previous.
Answered by Guest on 2019-05-21 07:55:15 | Votes 3 | #
Given that resistance of a conductor = 0.2 Ω
We know that resistance of a conductor is given by
(R=ρlA)(R=ρlA)
Where ρ is resistivity
l is length
A is cross-sectional area
Given that, the length becomes double
The new resistance will become twice of the previous.
New resistance = 2 × 0.2 = 0.4 Ω
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