A point source of electromagnetic waves emits waves uniformly in all directions. At a distance of 10.0 m from the source the magnetic field amplitude for the waves is 4.0 x 10-8 T. (Note: c = 3.00 x 108 m/s, ε0 = 8.854 x 10-12 C2 / (N•m2), μ0 = 4π x 10-7 T•m/A)
What is the electric field amplitude at this point, 10.0 m from the source?
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