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Is amplification the act of tuning a radio to select a particular broadcast station?
Wiki User
∙ 9y ago
Amplification is the process of making a signal louder. It is not the same as tuning a radio receiver.
An amplifier is a device that takes a signal and makes it bigger as it reaches the amplifier's output. It can make the signal bigger by increasing the voltage, increasing the current or increasing both current and voltage, known as power amplifiers.
Audio amplifiers that drive a loudspeaker are power amplifiers as they increase the power of the signal to drive the speaker itself.
Tuning a radio adjusts the frequency that the radio aerial is sensitive to and allows only one frequency to be captured by the circuit attached to the aerial. By doing this, the radio can pick up a single broadcast and reject others. Before we can hear the received radio signal, it will be passed through a power amplifier and then to the speaker.
Wiki User
∙ 9y ago
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