GENERAL SCIENCE
Two wires have lengths, resistances and registivity-each in the
ratio 1:2. What is the ratio of their diameter?
(a)1:2
(b) 4 1
(c) 1 : 4
(d) 1 : 2
Answers
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Explanation:
what is the difference in option a and d
what is the difference in option b and c
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