On what factors does the electrical resistance of a conductor depend? Also mention the proportionality or dependency for each factor.
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Answer:R = ρLA.
Explanation:
material, eg copper, has lower resistance than steel.
length - longer wires have greater resistance.
thickness - smaller diameter wires have greater resistance.
temperature - heating a wire increases its resistance.
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Answer:
material of the conductor
dimensions of the conductor
R is directly proportional to length and inversely proportional to area
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