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The Current Density Is the Same in Two Wires

Question 17

Multiple Choice

The current density is the same in two wires.Wire A has twice the free electron concentration of wire B.The drift speed of electrons in A is:


A) twice that of electrons in B
B) four times that of electrons in B
C) half that of electrons in B
D) one-fourth that of electrons in B
E) the same as that of electrons in B

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