{"type":"rich","version":"1.0","title":"\n**Characteristics of electrical signals**","provider_name":"Coggle","provider_url":"https://coggle.it","thumbnail_url":"https://static.coggle.it/diagram/Xn1C0o9RpsxR6WRJ/thumbnail","width":1920,"height":1200,"html":"<iframe width=\"1920\" height=\"1200\" src=\"https://embed.coggle.it/diagram/5e7d42d28f51a6cc51e96449\" frameborder=\"0\" allowfullscreen></iframe>"}