APFIVE Drift Velocity and Wire Dimensions
Two identical wires A and B carry the same current. Wire A is then stretched to twice its original length while maintaining the same mass. How does the new drift velocity in wire A compare to the drift velocity in wire B?
A
The drift velocity in wire A is half as much
B
The drift velocity in wire A is unchanged
C
The drift velocity in wire A is 2 times greater
D
The drift velocity in wire A is 4 times greater
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