a resistor of R ohms is connected across a battery of E volts with internal resistance r ohms, then the power (in watts) in the external resistor is P=E2R/(R+r)2 If E and r are fixed but R varies, what is the maximum value of the power
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solve this problem and explain each step, please
a resistor of R ohms is connected across a battery of E volts with internal resistance r ohms, then the power (in watts) in the external resistor is
P=E2R/(R+r)2
If E and r are fixed but R varies, what is the maximum value of the power?
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