Questions
In an electromagnetic wave the electric and magnetizing fields are and . The maximum rate of energy flow is
a
26.5 Wm−2
b
36.5 Wm−2
c
46.7 Wm−2
d
76.5 Wm−2
detailed solution
Correct option is A
Amplitude of electric field, E0=100V/mAmplitude of magnetizing field H0=0.265 A/mThe maximum rate of energy flow is poynting vector =E0B0μ=E0×H0=100×0.265 ∴ S=26.5 Wm−2Talk to our academic expert!
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In an electromagnetic wave, the electric and magnetising fields are and . The maximum energy flow is
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