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Two wires of same metal have the same length but their cross sections are in the retio 3:1. They are joined in series. The resistance of the thicker wire is . The total resistance of the combination is

a)

b)

c)

d)


Question ID - 150321 | SaraNextGen Answer

Two wires of same metal have the same length but their cross sections are in the retio 3:1. They are joined in series. The resistance of the thicker wire is . The total resistance of the combination is

a)

b)

c)

d)

1 Answer - 5876 Votes

3537

Answer Key : (c) -

(c)

 For the same length and same material,

The resistance of thick wire,

The resistance of thin wire

Total resistance



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