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16 December, 03:27

What has alternating electric and magnetic fields that travel in the form of a wave?

A. Electromagnet

B. Electromagnetic radiation

C. Alternating current

D. Direct Current

E. Static Electricity

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Answers (1)
  1. 16 December, 06:01
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    Option (B) is correct.

    Alternating electric and magnetic fields has electromagnetic radiation that travel in the form of a wave.

    The varying or alternating electric field produces the varying magnetic field. This varying magnetic field in turn produces varying electric field. Thus these varying electric and magnetic fields travel in the form of electromagnetic waves. These electromagnetic waves travel with the velocity of light. These are transverse in nature.
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