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Grade 9Electric Current

will be very kind if reply for the answer myself yogesh from village tilpat in Faridabad

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8 Years agoGrade 9
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1 Answer

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ApprovedApproved Tutor Answer8 Years ago
resisance of wire \propto l/r2 \propto l/d2
SO resistance ratio will be 1/3: 2/2: 3/12 = 2:9:54
since current in parallel combination is inversely proportional to resistance
SO current in three wire will be in ratio
(1/2):(1/9):(1/54)
and current will be
27/34,  27/153,     17/918
Hope it clears.