(a) A straight wire is aligned along the y direction as shown in the diagram bel

Question

(a) A straight wire is aligned along theydirection as shown in the diagram below. A magnetic field is directed in the negativexdirection in the region of the wire. The wire experiences a force in the +z(out of the page) direction. What is the direction of the current in the wire?

(a) A straight wire is aligned along theydirection as shown in the diagram below. A magnetic field is directed in the negativexdirection in the region of the wire. The wire experiences a force in the +z(out of the page) direction. What is the direction of the current in the wire? +x ?x +y ?y +z ?z The magnitude is zero. (b) A straight wire is aligned along thexdirection with a current flowing through it in the direction indicated by the blue arrow as shown in the diagram below. A magnetic field is directed in the negativexdirection in the region of the wire. What is the direction of the force on the wire? +x ?x +y ?y +z ?z The magnitude is zero.

Explanation / Answer

+y , use flemming's left hand rule

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