Author Question: The purpose of the metal lining in a telephone transmitter is to hold the lid over the carbon ... (Read 74 times)

newbem · **on:** Jul 28, 2018

The purpose of the metal lining in a telephone transmitter is to hold the lid over the carbon granules.

Indicate whether the statement is true or false

Question 2

Side tone is the static you sometimes hear when communicating with someone over the telephone.

Indicate whether the statement is true or false