What has alternating electric and magnetic fields that travel in the form of a wave?
A.
ele...
Engineering, 18.02.2022 14:50 Lenaaa2019
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
Answers: 3
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