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A wire of resistance is first stretched uniformly to double its original length
PHYSICS · Subjective · CBSE · Physics · Electricity · Electricity
Problem
A wire of resistance
5
Ω
5\,\Omega
5
Ω
is first stretched uniformly to double its original length, keeping volume constant, and is then cut into two equal parts. The two pieces are connected in parallel. Determine the equivalent resistance of this arrangement.
Related theory
Resistors in Parallel
Resistor Networks
Resistance & Resistivity
Electric Circuits
Electricity
Resistance: geometry and temperature dependence
Current Electricity
Resistivity and factors affecting resistance
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