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Question
A thick wire and a thin wire made from same material and of same length are connected one by
one to the same source. In which case a larger current will flow in the circuit ? Justify your answer
A thick wire and a thin wire made from same material and of same length are connected one by
one to the same source. In which case a larger current will flow in the circuit ? Justify your answer
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Solution
Current will flow more easily and so in larger amount through the thick wire. A thick wire has a higher value of area of cross-section than a thin wire.For the same length and material the resistance of the thicker wire is therefore less than that of a thinner wire. Current therefore flows more easily through the thicker wire.
Current will flow more easily and so in larger amount through the thick wire. A thick wire has a higher value of area of cross-section than a thin wire.For the same length and material the resistance of the thicker wire is therefore less than that of a thinner wire. Current therefore flows more easily through the thicker wire.
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