Q: Electromagnetic waves are generally caused by magnetic fields doing what (or moving in what way)?


Read this paragraph and choose the correct option from the provided answers:

An electromagnetic wave begins when an electrically charged particle vibrates. The Figure below shows how this happens. A vibrating charged particle causes the electric field surrounding it to vibrate as well. A vibrating electric field, in turn, creates a vibrating magnetic field. The two types of vibrating fields combine to create an electromagnetic wave. You can see animations of electromagnetic waves at these URLs:.

 Choices:

- revolving

- rippling

- folding

- vibrating


A:
vibrating