Q. When a wire carries a current of 1.20 A, the drift velocity is 1.20 x 10^-4 m/s. What is the drift
velocity when the current is 6.00 A?
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Answer:
I=neaV
n=no.of e- per unit vol.
a=area of circular section
e=charge of electron
v=drift velocity
n and e remains constant.
since I=1.20
v=1.20 x 10^-4
neA=I/V
neA=10^4
V=I/neA
V=6 x 10^-4
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Concept Introduction: Current is the basic concept of Physics.
Given:
We have been Given:
drift velocity is
To Find:
We have to Find: Drift velocity when Current is
Solution:
According to the problem, we know,
since Current is directly proportional to everything, therefore, Drift velocity is
Final Answer: The drift velocity is
#SPJ3
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