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(5%) Problem 4: A long wire carries current towards east. A positive charge move

ID: 1435060 • Letter: #

Question

(5%) Problem 4: A long wire carries current towards east. A positive charge moves westward and Just north from the wire. 100% Part (a) what is the direction of the force experienced by this charge? East Up West ONorth Down South Zero Grade Summary Deductions Potential Submissions At Submit Itempts remainin per attempt Hint-L fur a deduction. Hints remaining:L Feedback: deduction per feedback. detailed view -A picture will be very helpful! Draw the picture, carefully mark all directions and keep in mind that in such goometry direction up and down are "out of a page" and "into the page

Explanation / Answer

if current is towards east , (assuming east to the right )

magnetic field will be directied into the page

charge (+ve) is towards west (i.e left )

direction of magnetic force is obtained fleming left hand rule

middle finger - current - towards east

fore finger - magnetic field = into the page

then thumb - magnetic force = upwards (ANSWER)