The medium of a mechanical wave is the matter through wich it travels? tru or false

What is a carrier wave and how does it affect what you hear on the radio

** urgent** the voltage across the primary winding is 350,000 v, and the voltage across the secondary winding is 17,500 v. if the secondary winding has 600 coils, how many coils are in the primary winding? a- 30 coilsb- 583 coilsc- 12,000 coilsd- 332,500 coils

You've already seen the value of 9.8 in this lesson. what's this value called? what quantity does it represent?