Calculate the power transferred from the preamplifier
Calculate the power transferred from the preamplifier to a power amplifier if the voltage is 1.5 volts and the input impedance of the power amplifier is 50,000 ohms.
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Calculate the power transferred from a power amplifier to a loudspeaker if the amplifier output voltage is 10 volts and the speaker impedance is 8 ohms.
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