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एक ही धातु के बने समान लम्बाई के दो तारो के अनुप्रस्थ काट के क्षेत्रफलों का अनुपात 1:2 है। उनके सिरों के बीच समान विभवांतर लगाने पर उनमे धाराओं का अनुपात क्या होगा ?

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` R prop l/A " से " , (R_(1))/(R_(2)) = (A_(2))/(A_(1)) =2/1 " अतः " (I_(1))/(I_(2)) = (R_(2))/(R_(1)) = 1/2 `

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