Physics Give Complete Written Solution with Picture .....(3) Question III [12 po

Question

Physics Give Complete Written Solution with Picture .....(3)

Question III [12 pointsl The figure shows a short length of wire carrying a current I o b (6) [6 pts] Rank the magnitude of the magnetic field at the four points shown. (Indicate answer on scantron sheet) A) Ba BIS Bd Be (B) B B, Be B (C) B BI, B Bed B B D) B CEO all tie (7) [6 pts] The direction of the magnetic field at point d is: (Indicate answer on scantron sheet) (A) to the left (B) to the right (C) toward point b (D) out of the page (E) into the page

Explanation / Answer

(6) Answer A,
Since a and b are at equal distance, so magnetic field is equal at a and b, also magnetic field is inversely proportional to the distance from wire, so it decreases as we go away from wire. So from the given option A is correct.

(7) From right hand Thumb Rule, the direction of magnetic field at d is into the plane of page, so option E is correct.

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