A wire runs along the left edge of this page. If the direction of the current in

Question

A wire runs along the left edge of this page. If the direction of the current in the wire is an indicated, what is the direction of the magnetic field with respect to the middle of the page (Point A)? A) The field will go through point A from the left to the right across the page. B) The field will be directed into the page at point A. C) The field will go through point A from the bottom to top of the page. D) The field will be directed out of the page of point A. E) The field will be directed diagonally through point A from the upper left to lower right of the page. Relative to the page what is the direction of the force on a negative charged particle moving down the page through a uniform magnetic field which is directed right to left across the page? A) right B) left C) up D) down E) into the page F) out of the page

Explanation / Answer

2.4) If we apply MAXWELL'S CORKSCREW RULE in this problem then we can easily find out that the direction of magnatic field will normal to the page and go thorugh the point A. So, the answer is (B).

2.5) In this problem we are applying FLEMMING'S LEFT HAND RULE. Thus we can easily find out that magnatic force are acting normally into the page. So, the answer is (C)

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