Solve this:
Q. A point source of power 15 W is placed at a certain point in the space. The amplitude of magnetic field at a distance of 2 meter from source is :
(1) 5 x 10-8 T (2) 6 x 10-8 T
(3) 10 x 10-8 T (4) 1 x 10-8 T
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Kindly refer to the link for a similar query.
https://www.meritnation.com/ask-answer/question/kindly-elaborate-ans-2-q-a-point-source-of-e-m-radiati/work-energy-and-power/12587936