Current Electricity Charging Discharging Of Capacitors Question 367

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

[MP PMT 1994; BVP 2003]

Options:

A) Independent of temperature

B) Increases as the temperature rises

C) Decreases as the temperature rises

D) Increases or decreases as temperature rises, depending upon the metal

Show Answer

Answer:

Correct Answer: B

Solution:

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