A steady current is set up in a metallic wire of non-uniform cross-section. How is the rate of flow of electrons (
) related to the area of cross-section (
)?
a)
b)
c)
d)
is independent of 
A steady current is set up in a metallic wire of non-uniform cross-section. How is the rate of flow of electrons ( ) related to the area of cross-section ( )?
a)
b)
c)
d)
is independent of
Question ID - 150378 | SaraNextGen Top Answer
A steady current is set up in a metallic wire of non-uniform cross-section. How is the rate of flow of electrons ( ) related to the area of cross-section ( )?
a)
b)
c)
d)
is independent of
|
A steady current is set up in a metallic wire of non-uniform cross-section. How is the rate of flow of electrons ( |
|||||||
|
a) |
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b) |
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c) |
|
d) |
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1 Answer
127 votes
Answer Key / Explanation : (a) -
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(a) Rate of flow of electrons in a conductor is low but number density of free electrons in a conductor is very high. The drifting of electrons over the entire length of the conductor contributes to the current throughout the conductor |
127 votes
Answer Link
127