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  1. NUMERICAL 15.4 IS NOT CORRECT…WE WILL USE ANGLE 50 DEGREE INSTEAD OF 40 DEGREE AS IT IS THE ANGLE BETWEEN MAGNETIC FIELD AND AREA VECTOR….KINDLY CORRECT IT…

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      • @aisha it’s correct. we always use angle between vector area and field and not between plane of area and field. Given angle 50 is between plane of area and magnetic feild. but we have to use angle between vector area and field that will be 90-50=40 degrees(since direction of vector area is along normal)

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