A 4ohm resistance wire is doubled on it. Calculate the new resist of the wire.
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Resistivity remains same
Explanation:
Resistivity of a wire is specific for material of the wire. It’s independent of dimensions and resistance of wire. Resistivities of some common materials are given in image attached.
Explanation:
Resistivity of a wire is specific for material of the wire. It’s independent of dimensions and resistance of wire. Resistivities of some common materials are given in image attached.
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