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A plane electromagnetic wave of frequency 25 GHz is propagating in vacuum along the z-direction. At a particular point in space and time, the magnetic field is given by –8 ˆ B 5 10 j   T. The corresponding electric field E is (Speed of light c = 3 × 10 8 ms – 1 )

1. 1.66 × 10 – 16 ˆ i V/m
2. ˆ 15i V / m
3. ˆ –15i V / m
4. –16 ˆ –1.66 10 i V / m 

Correct answer: ˆ 15i V / m

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