LESSON 1
SOUND AND TELEPHONY
OBJECTIVE:
Action:
You will describe the characteristic of sound waves, identify electronic symbols on a
telephone system schematic diagram, analyze the construction of a telephone transmitter
and receiver.
Conditions:
You will be provided the lesson material and a lesson exercise sheet.
Standard:
You must respond correctly to at least 17 of the 20 questions in the lesson exercise.
CREDIT HOURS:
2
TEXT ASSIGNMENT:
Read inclosed text
MATERIALS REQUIRED:
Pencil or pen
SUGGESTIONS:
None
4
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