Magnetic Fields and Electromagnetic Induction Lab: Postlab (2 points) Consider t

Question

Magnetic Fields and Electromagnetic Induction Lab: Postlab (2 points) Consider two cases where a positively charged particle is placed at rest near a circular wire loop. In case A there is no current in the loop, and in case B there is counter-clockwise current as viewed from the position of the charge. Consider the following students' statements: 1. Case Case B : :0 I=4A Arturo: "There is no magnetic force in either case since neither charge is moving." Bonita: "There will be no magnetic force in case A because there is no current. The particle will be attracted in case B due to the magnetic field produced by the current in the loop." Caleb: "There is going to be a repulsion in case B since the current loop acts like a magnet. There is no magnetic force in case A since there is no current." Which of these students is correct? Arturo Bonita -Caleb None of thenm yslain:

Explanation / Answer

arturo is correct

magnetic force = charge * velocity * magnetic field

this imples that if charge is stationary there will be no magnetic force despite of magnetic field or not

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