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The magnetic field in plane electromagne...

The magnetic field in plane electromagnetic wave is given by `=2xx10^(-7)sin (0.5xx10^(3)xx10^(11)t)` This electro magnetic wave is

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`E_(0)= cB_(0)=(3 xx 10^(8))xx(3 x 10) = 90 V//m`
`therefore` `E_(2)=E_(0)"sin" (2pi)/(lambda)(x+ vt)`
`therefore` `E_(z)=90sin(0.314xx10^(3)xx3.14xx10^(11)t)V//m`
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