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State the proportional relationship between the resistance of a uniform metallic wire…
PHYSICS · Subjective · A Level · Physics · Electricity · Electricity
Problem
State the proportional relationship between the resistance
R
R
R
of a uniform metallic wire and its length
L
L
L
when the wire is stretched at constant temperature so that its volume remains unchanged.
Related theory
Resistance & Resistivity
Resistance: geometry and temperature dependence
Current Electricity
Resistivity and factors affecting resistance
Electricity
Factors affecting resistance of a conductor
Electric Circuits
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