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Please answer as soon as possible. I just want to know why magnetic flux through face abcd will be positive and that from efgh will be negative.

Please answer as soon as possible. I just want to know why magnetic flux through face abcd will be positive and that from efgh will be negative.

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Grade:12th pass

1 Answers

Mahima Kanawat
1010 Points
5 years ago
Dear student 
Magnetic flux = B.Acos(theta)
Here, theta is between B and A. 
A is area vector and its direction is always outwards. 
In abcd B and A are in same direction (theta = 0°) so flux is positive while in efgh B and A are in opposite direction (theta =180°) So flux is negative.
WITH REGARDS 
MAHIMA 
ASKIITIANS FORUM EXPERT 

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