Question:
Electric and magnetic fields are produced by radiations
Last updated: 6/21/2023
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Electric and magnetic fields are produced by radiations coming from a 12 W bulb The efficiency of the bulb is 80 What is intensity of radiations provided by electric field at 4 m from the bulb assuming it as a point source 0 048 W m 0 03 W m O 0 024 W m O 0 013 W m