Suppose that an electromagnetic wave is traveling toward the east. At one instant at a given point, the electric field vector points upward. What is the direction of the magnetic field at this same given point and instant in time?

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jadajones9974 jadajones9974

25-02-2020
Physics

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Suppose that an electromagnetic wave is traveling toward the east. At one instant at a given point, the electric field vector points upward. What is the direction of the magnetic field at this same given point and instant in time?

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therealabefe therealabefe · Answer 1 · 2020-02-26T08:46:45+01:00

Answer: Towards the right

Explanation:

The electromagnetic wave is a wave which consist of magnetic and electric field propagating in space.

At any point in an electromagnetic field, both magnetic and electric field are perpendicular.

For our question, the wave is moving east (towards the right), the electric field is pointing upward, the only direction that will make the magnetic field perpendicular to the electric is if it is pointing towards the right (east), which is in the direction of motion of the wave.