The Figure Shows Two Connected Wires That Are Made of the Same

question 480

Multiple Choice

The figure shows two connected wires that are made of the same material.The current entering the wire on the left is 2.0 A and in that wire the electron drift speed is v_d.What is the electron drift speed in the wire on the right side?

• A) 4v_d
• B) 2v_d
• C) v_d
• D) v_d/2
• E) v_d/4

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