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jubba
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question In a particular experiment a long length of copper wire of very low resistance is rotated by two students. The ends of the wire are connected to a galvanometer, G, and a current is detected.
Which of the following is LEAST likely to affect the amount of current produced?
(A) The length of the rotating wire
(B) The thickness of the rotating wire
(C) The speed with which the wire is rotated
(D) Whether the wire is oriented north-south or east-west
I thought it was (A) but the answers say it is (B). Could anyone explain this.
Thanks
Which of the following is LEAST likely to affect the amount of current produced?
(A) The length of the rotating wire
(B) The thickness of the rotating wire
(C) The speed with which the wire is rotated
(D) Whether the wire is oriented north-south or east-west
I thought it was (A) but the answers say it is (B). Could anyone explain this.
Thanks