Direction of Magnetic Field in a Toroid with Clockwise Current Loop?

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Homework Help Overview

The discussion revolves around determining the direction of the magnetic field inside a toroid when a clockwise current flows around the loop. Participants are exploring the application of the right-hand rule in this context.

Discussion Character

  • Conceptual clarification, Assumption checking

Approaches and Questions Raised

  • Participants are attempting to apply the right-hand rule to ascertain the magnetic field direction, with some expressing confusion about the resulting direction based on their interpretations.

Discussion Status

Some guidance has been offered regarding the right-hand rule, with participants discussing different methods to visualize the magnetic field direction. There is an ongoing exploration of interpretations, particularly concerning the correct application of the rule.

Contextual Notes

Participants are grappling with the implications of the current's direction and how it affects the magnetic field, indicating a need for clarity on the assumptions underlying their reasoning.

JasonBourneV
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Inside the toroid, in which direction does the magnetic field point, if the current is going clockwise around the loop?

So I tried to consider the fields due to two points on opposite sides of the toroid. Then I got stuck because I don't know what direction their fields added up. What do I do?
 
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Use a right hand rule to determine the direction of the field.
 
I did, I got counterclockwise but that wasn't the answer.
 
JasonBourneV said:
I did, I got counterclockwise but that wasn't the answer.
Counterclockwise isn't correct.

Imagine the loop on the surface of a table (the x-y plane). If the current is going clockwise, use the right hand rule in either of two ways:
(1) use it to find the field around any segment of current (that will tell you the field direction in the center of the loop)
(2) apply it direction to the current loop

The answer must be out of the table or into the table.

Method one is described here: http://hyperphysics.phy-astr.gsu.edu/hbase/magnetic/magcur.html#c1"
 
Last edited by a moderator:
oh... I think I into the table. The current is clockwise, so my fingers curl into the table. Is that right?
 
Last edited:

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