Asking about direction of magnetic force

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Homework Help Overview

The discussion revolves around determining the direction of the magnetic force acting on a long wire carrying current, specifically with the current flowing from west to east and a magnetic field directed into the page.

Discussion Character

  • Exploratory, Conceptual clarification, Assumption checking

Approaches and Questions Raised

  • Participants explore the application of Fleming's left hand rule and question the resulting direction of the magnetic force. There is a discussion about the relationship between the direction of current and the motion of electrons.

Discussion Status

Participants are actively engaging with the problem, with some offering guidance on using Fleming's left hand rule. There appears to be a divergence in understanding the outcome, as one participant expresses confusion over the expected direction of the force compared to their application of the rule.

Contextual Notes

There is mention of potential confusion regarding the application of the left hand rule and the interpretation of directions based on a map. The discussion reflects a need to clarify assumptions about current direction and magnetic field orientation.

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I have a problem with a question that asked me to give the direction of magnetic force of a long wire with a current flowing from west to east horizontally with a magneitc field pointing into the page. What is the direction of the force and the motion afterwards?
 
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The wire is made out of electrons flowing in the direction opposite of that of the current. What is the formula for the magnetic force on an moving charge?
 
Use Fleming's left hand rule.
 
But after opplying the rule, my thumb point in a direction that's away from me. But the suggested answer that the force is pointing upwards. How come?
 
Follow the direction as on a map.

current is west to east means from left to right(middle finger)
magnetic field is into the paper (index finger)
where the thumb points? Is it upward

Dont confused with hand. Left hand.
 

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