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Moment that is affecting a ring

Thread starter kakadas
Start date Oct 23, 2012
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Moment Ring

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2 replies · 1K views

kakadas

Thread starter
Oct 23, 2012

#1

Homework Statement

A 20 A current is flowing through a ring. Ring's diameter is 30 cm.
What is the value of the Moment that is affecting the ring?

Homework Equations

The Attempt at a Solution

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CWatters

Science Advisor

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Oct 23, 2012

#2

Is the ring in a magnetic field? The Earth's magnetic field?

kakadas

Oct 23, 2012

#3

There's no mention of any outside magnetic field. So I'm assuming the ring's magnetic field is creating the Moment.

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