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The magnetic field In a travelling elect...

The magnetic field In a travelling electromagnetic wave has a peak value of `20 n T ` The peak value of electric field strength is :

A

`3 V//m`

B

`6 V//m`

C

`9 V//m`

D

`12 V//m`

Text Solution

Verified by Experts

The correct Answer is:
B

`vecE=vecBxxvecC`
`|vecE|=|vecB|.|vecC|=20xx10^(-9)xx3xx10^(8)`
`=6 V//m`
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