The resistance and resistivity of given copper wire is 1 Ω and 1.62x10-6Ω m. What change occurs in the resistance and the resistivity of the copper wire. If the copper wire double the original length is taken.
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hey mate here is ur ans
the resistivity remains unchanged
(as it doesn't depend on size shape of the
conductor only the nature of material and temperature )
we know that length and resistance are directly proportional
so as length is doubled resistance is also doubled so new resistance =1*2=2 ohm
hope it helps you
the resistivity remains unchanged
(as it doesn't depend on size shape of the
conductor only the nature of material and temperature )
we know that length and resistance are directly proportional
so as length is doubled resistance is also doubled so new resistance =1*2=2 ohm
hope it helps you
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