What is contribution Alexander Graham Bell in electricity?

Alexander Graham Bell is best known for inventing the telephone, which significantly advanced communication technology and utilized principles of electricity. His work in developing the telephone involved understanding and applying electrical currents to transmit sound over distances. Additionally, Bell conducted research in other areas related to electricity, including the photophone, which transmitted sound on a beam of light, further exploring the intersections of sound and electrical transmission. His contributions laid the groundwork for modern telecommunications.