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Explain, with reason, why a nichrome wire maintained at a fixed temperature obeys…
PHYSICS · Subjective · A Level · Physics · Electricity · Electricity
Problem
Explain, with reason, why a nichrome wire maintained at a fixed temperature obeys Ohm’s law while the filament of an incandescent lamp does not.
Related theory
Temperature Dependence of Resistivity
Resistance & Resistivity
Ohm's Law (Macroscopic)
Ohm's law, V-I graphs and ohmic/non-ohmic conductors
Current Electricity
Ohm's law and V-I graphs
Electricity
Ohm's law and its limitations
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