1.

If E is an electric field and vector B is the magnetic induction, then the energy flow per unit area per unit time in an electromagnetic field is given by(A) \(\frac{1}{\mu_0}\) \(\overset\rightarrow{E}\times\overset\rightarrow{B}\)(B) \(\overset\rightarrow{E}.\overset\rightarrow{B}\)(C) E2 + B2(D) \(\frac{E}{B}\)

Answer»

Correct option is: (A) \(\frac{1}{\mu_0}\) \(\overset\rightarrow{E}\times\overset\rightarrow{B}\)



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