Right-hand rule: The thumb points in the direction of the current while the fingers curl in the direction of the magnetic field.
The points into the page while the fingers curl in a clockwise direction.
The diagram shows the cross section of wire carrying conventional positive current into the plane of the page. (You may ignore the earth's magnetic field)
A) By means of an arrow on the diagram, show the direction in which a compass would point if placed at location A and describe the rule you use to remember this effect.
B) Show the direction in which the compass would point at two other points of your own choosing.
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