# Finding the Frequency Domain and Time Domain magnetic field

EmmanKR
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I was wondering if anyone could walk me though a better explanation on how to get the given results for these two questions. The solutions posted by my professor aren't really clear to me so if anyone is able to better explain how to get the solution it would be much appreciated!

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Delta2

Homework Helper
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For c) You should use Faraday's law in differential form $$\nabla\times\mathbf{E}=-\frac{d\mathbf{B}}{dt}\Rightarrow \mathbf{B}=-\int \nabla\times\mathbf{E} dt$$
You know E in explicit form so you can calculate its curl and then calculate the time integral to get B.
Your handwriting is pretty bad but I think your expression for H is missing a ##\frac{1}{c}## factor.

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