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Did you know?
Water is the only substance found naturally in all three states on Earth's surface.
Did you know?
Water is the only substance found naturally in all three states on Earth's surface.
The resistance of a wire is R ohm. If it is melted and stretched to n times its original length, its new resistance will be
Nr
To solve this problem, we need to understand how the resistance of a wire changes when its dimensions are altered.The resistance of a wire is given by the formula:
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