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Wires A and B are made from the same
material. Wire A has length 12m and weight
50 g, while wire B is 18 m long and weighs
40 g. Then the ratio (R / R ) of their
resistances will be: JIAO/Jr./Stage-1/2008]
(A) 16/45
(B) 4/5
(C) 8/15
(D) 4/9
Answers
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Answer:
option C is correct ans
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