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