Give one reason why Radio-Tricians have a special word and symbol language.
Why are photographs seldom used in practical Radio work?
A Radio dealer's record of sets sold, listed by months starting from January, is as fellows: 11; 14; 9; 7; 9; 6; 5; 5; 14; 18; 28; 50. Show these facts in the form of a table.
Show the same facts in graph form. (Draw the graph lines with a ruler.)
Draw the Radio-Trician's symbols for: A condenser, a coil, a 3-element-tube, a ground.
What is an empirical curve?
What is meant by a family of curves?
Explain the difference between formulas and equations.
What is one of the characteristics of a vacuum tube?
Why is the filament of a vacuum tube called the "heater"?
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Transcriber   | Richard Lancaster |