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OONeo01
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Homework Statement
This is a question asked in one of my papers.
A time dependent magnetic field
A.)(B0R2/r)
B.)(B0R2/2r)
C.)-(B0R2/r)
D.)-(B0R2/2r)
Homework Equations
Maxwells Equations
The Attempt at a Solution
I started with ∇χE=-∂B/∂t=-B0
I can see the unit vectors are spherical in the options given. And there is a negative sign which I have gotten from the above Maxwell's Equation. So I am assuming the answer is either Option C or D.
Regardless, what should be my next step ? Can somebody just tell me which formulae(or relations) to use in what order, I would appreciate it.