If the magnetic field of a plane... | Electromagnetic Waves | JEE Main 2019

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JEE Main 2019

10-01-2019 S1

Question

If the magnetic field of a plane electromagnetic wave is given by (The speed of light $=3 \times 10^8 \mathrm{~m} / \mathrm{s}$ ) B = $100 \times 10^{-6} \sin \left[2 \pi \times 2 \times 10^{15}\left(t-\frac{x}{c}\right)\right]$, then the maximum electric field associated with it is

Select the correct option:

A

$6 \times 10^4 \mathrm{~N} / \mathrm{C}$

B

$3 \times 10^4 \mathrm{~N} / \mathrm{C}$

C

$4.5 \times 10^4 \mathrm{~N} / \mathrm{C}$

D

$4 \times 10^4 \mathrm{~N} / \mathrm{C}$

✓ Correct! Well done.

✗ Incorrect. Try again or view the solution.

Solution

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