Day 86: Force on a Charged Particle Near a Current-Carrying Wire

For one of today’s formative assessment sketches, I asked students to sketch the magnetic field of a current-carrying wire given the direction of current in the wire and draw the force vector on a positively charged particle near the current-carrying wire. I’m definitely gaining more insight into which students are still developing their understanding by seeing their sketches. I’m also better able to address minor issues and questions that I think I would normally miss. For example, some students wanted to draw lines between the x and dots representing the magnetic field of the current-carrying wire rather than just drawing the x and dots.



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