Question

(6) A wire of resistance R1 is cut into five equal pieces. These five pieces of wire are then
connected in parallel. If the resultant resistance of this combination is R2, then the ratio
R1/R2 is
(a) 1/25. (b) 1/5. (c) 5. (d) 25

Answer 1

Answer:

Option a) 1/25

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Answer 2

Answer:

If the resistance wire is cut into five pieces, the resistance of each wire is R/5. If we connect the pieces in parallel, we will get the net resistance as R/25. Therefore, the ratio will be 25.

Explanation:

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