Electromagnetic Waves

JEE Main level, single correct, medium

131 of 165

Question 131 of 165

The magnetic field in a travelling electromagnetic wave has a peak value of 20nT20nT. The peak value of electric field strength is :

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Answer: (D) 6Vm−16V{m}^{-1}

E=Bc=20×10−9×3×108E=Bc=20\times {10}^{-9}\times 3\times {10}^{8}

=6 V/m=\text{6 V/m}

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