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Two wires of the same dimensions but resistivities  and are connected in series. The equivalent resistivity of the combination is

a)

b)

c)

d)



Question ID - 151674 | SaraNextGen Top Answer

Two wires of the same dimensions but resistivities  and are connected in series. The equivalent resistivity of the combination is

a)

b)

c)

d)

1 Answer
127 votes
Answer Key / Explanation : (a) -

(a)

The effective resistance of combined wire

(∵total length L= )

Or

127 votes


127