A long straight wire carrying a 4 A current is placed along the x-axis as shown

Question

A long straight wire carrying a 4 A current is placed along the x-axis as shown in the figure. What is the direction of the magnetic field at point P due to this wire?

a) into the plane of the page

b) out of the plane of the page

c) along the +y-axis

d) along the -x-axis

A long straight wire carrying a 4 A current is placed along the x-axis as shown in the figure. What is the direction of the magnetic field at point P due to this wire? a) into the plane of the page b) out of the plane of the page c) along the +y-axis d) along the -x-axis e) along the +x-axis

Explanation / Answer

Using the right hand rule

the magnetic field at P is out of the page

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