Current Electricity Charging Discharging Of Capacitors Question 373
Question: A potential difference of V is applied at the ends of a copper wire of length l and diameter d. On doubling only d, drift velocity
[MP PET 1995]
Options:
A) Becomes two times
B) Becomes half
C) Does not change
D) Becomes one fourth
Show Answer
Answer:
Correct Answer: C
Solution:
Drift velocity $ v _{d}=\frac{V}{\rho ,l,n,e};v _{d} $ does not depend upon diameter.