{"type":"rich","version":"1.0","title":"**Chapter 1 Electricity**","provider_name":"Coggle","provider_url":"https://coggle.it","thumbnail_url":"https://static.coggle.it/diagram/Xka2r1di1FH5wteo/thumbnail","width":1920,"height":1200,"html":"<iframe width=\"1920\" height=\"1200\" src=\"https://embed.coggle.it/diagram/5e46b6af5762d451f9c2d7a8\" frameborder=\"0\" allowfullscreen></iframe>"}