A phonograph pick up develops an open-circuit emf of 50 mV and has an internal resistance of 1200 ohm. A. What voltage will it develop across a 4 ohms load resistance? B. What value of load resistance...


A phonograph pick up develops an open-circuit emf of 50 mV and has an internal<br>resistance of 1200 ohm.<br>A. What voltage will it develop across a 4 ohms load resistance?<br>B. What value of load resistance must be used to obtain a 75% eff?<br>C. What is the maximum power output of the pickup?<br>

Extracted text: A phonograph pick up develops an open-circuit emf of 50 mV and has an internal resistance of 1200 ohm. A. What voltage will it develop across a 4 ohms load resistance? B. What value of load resistance must be used to obtain a 75% eff? C. What is the maximum power output of the pickup?

Jun 11, 2022
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