Answer
Aug 28, 2025 - 03:46 PM
To calculate the power output of an audio amplifier, you can use the formula \( P = \frac{V^2}{R} \), where \( P \) is the power in watts, \( V \) is the RMS voltage across the load (usually the speaker), and \( R \) is the resistance of the load in ohms. Alternatively, if you know the current, you can use \( P = I^2 \times R \), where \( I \) is the RMS current through the load.
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