The headphone amplifier in a battery-powered devicehas an output resistance of 28 and is designedto deliver 0.1 W to the headphones. If theresistance of the headphones is 24 , calculate thevoltage and current required from the dependentvoltage source (Av in our model) to deliver 0.1 Wto the headphones. How much power is deliveredfrom dependent source? How much power is lost inthe output resistance?

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The headphone amplifier in a battery-powered device
has an output resistance of 28 and is designed
to deliver 0.1 W to the headphones. If the
resistance of the headphones is 24 , calculate the
voltage and current required from the dependent
voltage source (Av in our model) to deliver 0.1 W
to the headphones. How much power is delivered
from dependent source? How much power is lost in
the output resistance?

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