Expression for the change in magnetic fux for a loop of varying area and B.

  • #1
the expression for the magnetic flux changing area is :
change in m.flux=B.dA
and for varying magnetic field
change in m.flux=dB.A
but for when the both is changing then what will the expression
 

Answers and Replies

  • #2
tiny-tim
Science Advisor
Homework Helper
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Hi waqarrashid33! :smile:

If the magnetic flux across a surface is B.A, then just apply the chain rule …

d(B.A) = B.dA + dB.A :wink:
 

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