Electromagnetic waves are radiated uniformly in all
Electromagnetic waves are radiated uniformly in all directions from a source. The rms electric field of the waves is measured 35 kilometer from the source to have an rms value of 0.42 N/C. Obtain the average total power radiated by the source.
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i a radioactive sample produces 46035 decays per minute at one point in an experiment and 30809 days later produces 837
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