1.

In an electromagnetic wave, the average energy density associated with magnetic field is :

Answer»

`Li_(0)^(2) // 2`
`B^(2) // 2mu_(0)`
`mu_(0)B^(2) // 2`
`mu_(0) // 2B^(2)`

SOLUTION :`E_("mag")=(B^(2))/(2mu_(0))` .


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