Physics · 2017
JEE Main · 8 April 2017, Shift 1 · Q21
Magnetic field in a plane electromagnetic wave is given by B = B_0 sin ( k x+ω t ) j T Expression for corresponding electric field will be: Where c…
Magnetic field in a plane electromagnetic wave is given by
$$\overrightarrow{\mathrm{B}}=\mathrm{B}_0 \sin (\mathrm{k} x+\omega \mathrm{t}) \hat{j} \mathrm{~T}
$$
Expression for corresponding electric field will be :Where c is speed of light.
Official answer
(1)
$\displaystyle \overrightarrow{\mathrm{E}}=\mathrm{B}_0 \mathrm{c} \sin (\mathrm{k} x+\omega \mathrm{t}) \hat{\mathrm{k}} \mathrm{~V} / \mathrm{m}$
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JEE Main 2017 Physics question, with the answer from NTA’s final answer key. Where our answers come from.