(Figure 1) shows magnetic field lines in a certain region.Are there any location
ID: 1434579 • Letter: #
Question
(Figure 1) shows magnetic field lines in a certain region.Are there any locations where there must be a current directed into or out of the plane of the diagram? (Consider locations near the numbers on the vertical axis.) If so, at which of the locations does a current exist?
Check all that apply.
Check all that apply.
at the location 1 at the location 2 at the location 3 at the location 4 at the location 5 at the location 6 at the location 7 at the location 8 at the location 9 there's no such a location 9 .4Explanation / Answer
Use right hand rule to identify the direction of magnetic field due to current carrying conductor.
Right hand rule: grab the current carrying conductor with your right hand with your thumb pointing along the direction
of current. Then your right hand fingers gives the direction of magnetic field.
At location 3 current carrying conductor present. The direction of current from right hand rule is out of the page.
At location 7 current carrying conductor present. The direction of current from right hand rule is into the page.
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