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A plane electromagnetic wave of frequency \(20\mathrm{MHz}\) propagates in free space along x-direction. At a particular…

Q1

A plane electromagnetic wave of frequency \(20\mathrm{MHz}\) propagates in free space along x-direction. At a particular space and time, \(\vec{E}=6.6\overset{^}{j}\mathrm{V}/\mathrm{m}\). What is \(\vec{B}\) at this point?

[JEE Main 2023, 11 Apr (Shift 2)]

a

\(-2.2\times {10}^{-8}\overset{^}{i}T\)

b

\(2.2\times {10}^{-8}\overset{^}{k}T\)

c

\(-2.2\times {10}^{-8}\overset{^}{k}T\)

d

\(2.2\times {10}^{-8}\overset{^}{i}T\)

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