1) a cathode-ray tube is a type of ______ tube.
2) an n-type semiconductor is made by adding a trace amount of phosphorus to _____.
3) Communication devices use ________ circuits known as _______ to make them more portable, reliable, and affordable.
4) what solid-state component in a mobile phone maintains proper voltage levels in the circuits? a. transistors b. capacitors c. diodes d. microchips
5.) the electric field around a positive charge points _______ the charge.
6) Electric force is ________ proportional to the amount of charge and _______ proportional to the square of the distance between the charges.

it is okay if you can only answer a few
please only answer if you have specific answers :)