23-1 4 pts An audio amplifier, represented by the ac source and resistor in the figure, delivers to the speaker alternat

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23 1 4 Pts An Audio Amplifier Represented By The Ac Source And Resistor In The Figure Delivers To The Speaker Alternat 1 (94.39 KiB) Viewed 25 times

23-1 4 pts An audio amplifier, represented by the ac source and resistor in the figure, delivers to the speaker alternating voltage at audio frequencies. R If the source voltage has an amplitude of 15.0 V, R = 8.292, and the speaker is equivalent to a resistance of 14.22 what time-averaged power is transferred to it? Your Response History: 1. Incorrect. Your answer: "9.35 W". Correct answer: "3.31 W". The data used on this submission: 129; Score: 0/4 You may change your answer and resubmit: W (± 0.02 W) 23-2 4 pts An inductor is connected to a 20.0-Hz sinusoidal power supply that produces a 50.0- V peak voltage. What inductance is needed to keep the instantaneous current in the circuit below 65.6 mA? Your Response History: 1. Incorrect. Your answer: "9.35 H". Correct answer: "6.61 H". The data used on this submission: 60.2 mA; Score: 0/4 You may change your answer and resubmit: H ( + 0.02 H)