For a metallic wire, the ratio V/i (V = the applied potential dif… - Vidyadip

MCQ

For a metallic wire, the ratio $V/i$ ($V = $ the applied potential difference, $i$ = current flowing) is

A
Independent of temperature
✓
Increases as the temperature rises
C
Decreases as the temperature rises
D
Increases or decreases as temperature rises, depending upon the metal

✓

Answer

Correct option: B.

Increases as the temperature rises

b
(b) As $\frac{V}{i} = R$ and $R \propto$ temperature

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