72. Two conducting wires A and B are
made of same material. If the
length of B is twice that of A and
the radius of circular cross-section
of A is twice that of B, then their
resistances RA and RB are in the
ratio
2014 (1)
(a) 2:1
(b) 1:2
(c) 1:8
(d) 1 : 4
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Answer:
c:1:8is the answer
please mark me as brilliant answer
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