How does resistance of a uniform metallic - wire vary with its length keeping its cross - section area the same.
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How does resistance of a uniform metallic - wire vary with its length keeping its cross - section area the same.
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Answer:
Therefore, the resistance of a wire varies inversely with the cross sectional area. Note: Since the resistance of a wire varies inversely with the cross sectional area, it means that a thicker wire has a smaller resistance and vice versa.
Answer:-
It is inversely proportional to the area of cross section of the wire. The more the area of cross section of the wire,the less is the resistance and the less the area,the more is the resistance.
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