A copper wire of length |
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a) |
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b) |
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c) |
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d) |
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A copper wire of length |
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a) |
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b) |
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c) |
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d) |
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(c) Resistance of copper part of wire Resistance of nickel portion of wire As these two resistances are in parallel, hence conductance of the nickelled wire |
Following figure shows cross-sections through three long conductors of the same length and material, with square cross-section of edge lengths as shown. Conductor will fit snugly within conductor
and conductor
will fit snugly within conductor
Relationship between their end to end resistance is
a) |
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b) |
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c) |
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d) |
Information is not sufficient |
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