Electromagnetic fields and electromagnetic waves

Electromagnetic waves are a form of motion of electromagnetic fields. Electricity and magnetism can be said to be two sides of the same coin. A changing electric field will produce a magnetic field, and a changing magnetic field will produce an electric field. The changing electric field and the changing magnetic field constitute an inseparable unified field, which is the electromagnetic field. The propagation of the changing electromagnetic field in space forms electromagnetic waves. The changes in electromagnetism are like the gentle breeze blowing on the water surface to generate water waves, so it is called Electromagnetic waves are also often called radio waves.

• Chapter 1：01 (46 minutes and 17 seconds)

• Chapter 2：02 (46 minutes and 20 seconds)

• Chapter 3：03 (46 minutes and 17 seconds)

• Chapter 4：04 (46 minutes and 59 seconds)

• Chapter 5：05 (46 minutes and 6 seconds)

• Chapter 6：06 (46 minutes and 28 seconds)

• Chapter 7：07 (45 minutes and 40 seconds)

• Chapter 8：08 (46 minutes and 42 seconds)

• Chapter 9：09 (45 minutes and 44 seconds)

• Chapter 10：10 (45 minutes and 42 seconds)

• Chapter 11：11 (46 minutes and 20 seconds)

• Chapter 12：12 (46 minutes and 16 seconds)

• Chapter 13：13 (45 minutes and 44 seconds)

• Chapter 14：14 (46 minutes and 42 seconds)

• Chapter 15：15 (44 minutes and 2 seconds)

• Chapter 16：16 (46 minutes and 26 seconds)

• Chapter 17：17 (46 minutes and 18 seconds)

• Chapter 18：18 (46 minutes and 29 seconds)

• Chapter 19：19 (43 minutes and 34 seconds)

• Chapter 20：20 (46 minutes and 39 seconds)

• Chapter 21：twenty one (46 minutes and 3 seconds)

• Chapter 22：twenty two (46 minutes and 43 seconds)

• Chapter 23：twenty three (46 minutes and 47 seconds)

• Chapter 24：twenty four (46 minutes and 29 seconds)

• Chapter 25：25 (45 minutes and 37 seconds)

• Chapter 26：26 (46 minutes and 18 seconds)

• Chapter 27：27 (45 minutes and 13 seconds)

• Chapter 28：28 (46 minutes and 12 seconds)

• Chapter 29：29 (43 minutes and 54 seconds)

• Chapter 30：30 (45 minutes and 36 seconds)

• Chapter 31：31 (47 minutes and 32 seconds)

• Chapter 32：32 (44 minutes and 29 seconds)

• Chapter 33：33 (45 minutes and 37 seconds)

• Chapter 34：34 (44 minutes and 11 seconds)

• Chapter 35：35 (46 minutes and 36 seconds)

• Chapter 36：36 (46 minutes and 42 seconds)

• Chapter 37：37 (44 minutes and 12 seconds)

• Chapter 38：38 (45 minutes and 6 seconds)

• Chapter 39：39 (45 minutes and 43 seconds)

• Chapter 40：40 (46 minutes and 51 seconds)

• Chapter 41：41 (44 minutes and 48 seconds)

• Chapter 42：42 (45 minutes and 24 seconds)

• Chapter 43：43 (45 minutes and 34 seconds)

• Chapter 44：44 (45 minutes and 10 seconds)

• Chapter 45：45 (44 minutes and 58 seconds)

• Chapter 46：46 (44 minutes and 45 seconds)

• Chapter 47：47 (47 minutes and 6 seconds)