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)
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 Top 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)
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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 |
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a) |
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b) |
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c) |
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d) |
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1 Answer
127 votes
Answer Key / Explanation : (c) -
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(c) For the same length and same material,
The resistance of thick wire, The resistance of thin wire
Total resistance |
127 votes
Answer Link
127