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How is the resistance of wire effected if length and radius are doubled ??? Plz explain completely?
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How is the resistance of wire effected if length and radius are double...
As a wire gets longer its resistance increases, and as it gets thinner its resistance also increases because its cross sectional area decreases. Doubling the length will double the resistance, but the wire also must get thinner as it is stretched, because it will contain the same amount of metal in twice the length.
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How is the resistance of wire effected if length and radius are double...
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How is the resistance of wire effected if length and radius are doubled ??? Plz explain completely?
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