The figure below shows a current carrying wire located at the origin; the wire c

Question

The figure below shows a current carrying wire located at the origin; the wire carries a current of I = 8.2 A. Points 1, 2, and 3, are all on a circle with radius 10.8 cm which is centered on the origin. (All directions below should be an angle measured counterclockwise from the +x axis to the direction the field points.)

(a) What is the magnitude of the magnetic field generated by the wire at any point on the circle?
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I For parts (b) - (d), assume the wire carries a current directed out of the page.
(b) What is the direction of the magnetic field generated by the wire at point 1?

The figure below shows a current carrying wire located at the origin; the wire carries a current of I = 8.2 A. Points 1, 2, and 3, are all on a circle with radius 10.8 cm which is centered on the origin. (All directions below should be an angle measured counterclockwise from the +x axis to the direction the field points.) What is the magnitude of the magnetic field generated by the wire at any point on the circle?

Explanation / Answer

for finding direction you can use the thumb rule which give the direction of magnetic field

point your right hand thumb in the direction of current and curl your fingers the direction of curling will give the direction of magnetic field.

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