Current Electricity

Question: The resistances of a wire at temperatures t°C and $0^\circ C$ are related by

1) ${R_t} = {R_0}(1 + \alpha \,t)$

2) ${R_t} = {R_0}(1 - \alpha \,t)$

3) ${R_t} = R_0^2(1 + \alpha \,t)$

4) ${R_t} = R_0^2(1 - \alpha \,t)$

Solution:

Explanation: No Explanation

Electric Conduction Ohm's Law Resistance

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