6.4.8

Properties 2

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Production of Electromagnetic Waves

Electromagnetic waves can be produced by electrical circuits and by changes in atoms.

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Electrical circuits

  • Oscillations (repeating variations) in electrical circuits can produce radio waves.
  • When radio waves are absorbed, they can create an alternating current with the same frequency as the radio wave itself.
  • This means that radio waves can lead to oscillations in an electrical circuit.
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Changes in atoms

  • Changes in atoms and the nuclei of atoms can result in electromagnetic waves being generated or absorbed over a wide frequency range.
  • Gamma rays originate from changes in the nucleus of an atom.

Jump to other topics

1Energy

2Electricity

3Particle Model of Matter

4Atoms & Radiation

5Forces

5.1Basics of Motion

5.2Forces

5.3Effects of Forces

5.4Pressure

6Waves

7Magnetism

8Astrophysics

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