A manufacturer's data sheet for the converter in Figure P1-21 states that the output voltage is \(v_{\mathrm{dc}}=12 \mathrm{~V}\) when the input voltage \(v_{\mathrm{ac}}=120 \mathrm{~V}\). When the load draws a current \(i_{\mathrm{dc}}=18 \mathrm{~A}\), the input power is \(p_{\text {ac }}=360 \mathrm{~W}\). Find the efficiency \(\eta=p_{\text {out }} / p\) in of the converter.

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iac + Vac AC to DC converter ide + Vdc $1 Load