1.

Maximum value of magnetic field of progressive electromagnetic wave is 20 nT, then maximum value of electric field is ………

Answer»

`12(V)/(m)`
`3(V)/(m)`
`6(V)/(m)`
`9(V)/(m)`

SOLUTION :`C=(E_(0))/(B_(0))`
`THEREFORE E_(0)=CB_(0)=3xx10^(8)xx20xx10^(-9)`
`therefore E_(0)=6(V)/(m)`


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