Question:
An observer is at 2 m from an isotropic point source of
Last updated: 6/27/2023
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An observer is at 2 m from an isotropic point source of light emitting 40 W power What are the rms values of the electric and magnetic fields due to the source at the position of the observer c 3 x 108 m s 8 854 x 10 2 C N m Ans E rms 17 3 V m B 5 77 x 10 8 T rms A plane electromagnetic wave travelling along X direction has electric field of amplitude 300 V m directed along the Y axis a What is the intensity of the wave b If the