A current flows in a wire of circular cross section with the free electrons travelling with drift velocity V. If an equal current flows in a wire of same material and twice the radius, the new drift velocity is: A V B V C 4 D 2 V t>|
A current flows in a wire of circular cross section with the free electrons travelling with drift velocity V. If an equal current flows in a wire of same material and twice the radius, the new drift velocity is: A V B V C 4 D 2 V t>|
Chapter9: Current And Resistance
Section: Chapter Questions
Problem 31P: Consider a wire of a circular cross-section with a radius of R = 3.00mm. The magnitude of the...
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Drift velocity
![A current flows in a wire of circular cross
section with the free electrons travelling
with drift velocity V. If an equal current
flows in a wire of same material
and twice the radius, the new drift velocity
is:
A V
V
4
D 2 V
B](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F74fcca42-d938-4c5d-aa57-d0ed1c13e0e4%2F681a5420-4436-42a9-a101-d1e50154b7e3%2Fn31h7xc_processed.jpeg&w=3840&q=75)
Transcribed Image Text:A current flows in a wire of circular cross
section with the free electrons travelling
with drift velocity V. If an equal current
flows in a wire of same material
and twice the radius, the new drift velocity
is:
A V
V
4
D 2 V
B
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