A copper wire of length l and diameter d has potential difference V applied at its two ends. The drift velocity is V. If the diameter of wire is made d/4, then drift velocity becomes ___________
(a) V/16
(b) 16V
(c) V
(d) V/4
The question was posed to me in my homework.
I would like to ask this question from Ohm’s Law topic in chapter Circuit Elements and Kirchhoff’s Laws of Network Theory
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