Question 203: EM waves

Question

In an electromagnetic wave in free space that root mean square value of the electric field is E
rms
= 6 V m
$-$1
. The peak value of the magnetic field is

Accepted Answer

The rms value of magnetic field
B
rms
= ${{{E_{rms}}} \over c}$ = ${6 \over {\left( {3 	imes {{10}^8}} ight)}}$ =  2 ÃÂ 10
Ã¢ÂÂ 8
T
Now peak value of magnetic field
B
peak
= $\sqrt 2 {B_{rms}}$ = 2.83 $ 	imes $ 10
$-$8
T

Answer

2.83 $ 	imes $ 10
$-$8
T

Answer

0.70 $ 	imes $ 10
$-$8
T

Answer

4.23 $ 	imes $ 10
$-$8
T

Answer

1.41 $ 	imes $ 10
$-$8
T

EM waves

In an electromagnetic wave in free space that root mean square value of the electric field is E rms = 6 V m -1 . The peak value of the magnetic field is

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