Questions
The average value of electric energy density in an electromagnetic wave is (E0 is peak value)
a
12ε0E02
b
E022ε0
c
ε0E02
d
14ε0E02
detailed solution
Correct option is D
Electric energy density, ue=12ε0Erms2Erms=E02 ∴ ue=14ε0E02Talk to our academic expert!
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