Question

Two conducting wires of the same material and of equal lengths and equal diameters are first
connected in series and then parallel in a circuit. The ratio of equivalent resistance in series and
parallel combinations would be:
(A) 1:2
(B) 2:1
(C) 1:4

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Answer 1

Answer:

series:-1+1=2

parallel:-1/1+1/1=2

ratio:-2:2=1:1 is the ratio