A straight conductor of uniform cross-section carries a current I. Ifs – McqOptions

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1.	A straight conductor of uniform cross-section carries a current I. Ifs is the specific charge of an electron, the momentum of all the free electrons per unit length of the conductor, due to their drift velocity only is
A.	\[I\,s~\]
B.	\[\sqrt{I/s}\]
C.	\[I/s~~~\]
D.	\[{{\left( I/s \right)}^{2}}\]
Answer» D. \[{{\left( I/s \right)}^{2}}\]

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