The microwave generator and receiver are both oriented the same way so that the
ID: 2214172 • Letter: T
Question
The microwave generator and receiver are both oriented the same way so that the electric field oscillates in the vertical direction. You put a wire grid (conducting wires placed into a nonconducting plastic base) like the one shown below between the microwave generator and receiver. Note: the wire grid is shown with the wires vertical here.
a) Since an electric field - especially one oscillating at microwave frequency - does not penetrate a conductor, linearly polarized microwave radiation will pass through the wire grid most easily when
Explanation / Answer
Just realise that an EM wave consists of both electric and mag field, both at right angles. So to get linearly polarized microwave radiation the grid is horizatal COnversely it doesnt pass when the grid is vertical, as shown in the figure. A - 1 B - 2
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