Question

a long wire is cut into 2 pieces in 2:5 ratio of its lengths. what is the ratio of thier resistance

Answer 1

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Here is ur answer ⤵⤵⤵⤵⤵⤵⤵⤵

2:5

explanation:

R=rho × l /a

resistance is directly proportional to the length of the wire .

R1/R2 = L1/L2

R1/R2 = 2/5

R1:R2 = 2:5

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