Question

hey guys✌✌
......
here is my question

A 4Ω resistance wire is doubled on itself calculate the new resistance of the wire .
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Answer 1

Answer:

1 ohm

Explanation:

as wire is doubled on itself

so, length of wire is halved and its area becomes double

Resistance is directly proportional to length is of wire and inversely proportional to its cross section

so, using above statement

new resistance = 1 ohm

hope it helps.....