4) A variable resistor is often used as a volume control using a circuit similar to Figure 2-19 in the Electronic text. Explain how this circuit works and state what property of a circuit made up of resistors allows the volume control to alter the loudness of the signal without altering what it sounds like.
4) A variable resistor is often used as a volume control using a circuit similar to Figure 2-19 in the Electronic text. Explain how this circuit works and state what property of a circuit made up of resistors allows the volume control to alter the loudness of the signal without altering what it sounds like.
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Transcribed Image Text:Volume Control
Radio
Circuitry
Speaker
Amplifier
Figure 2.19: Variable Resistor
Volume Control
Transcribed Image Text:4) A variable resistor is often used as a volume control using a circuit similar
to Figure 2-19 in the Electronic text. Explain how this circuit works and state
what property of a circuit made up of resistors allows the volume control to alter the loudness of the signal without
altering what it sounds like.
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