Rint=? I un M R3 3R₂ M

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Recall that a real battery can be modeled as an ideal emf source connected in series to an 'internal' resistor. The circuit below contains such a real battery and three ohmic resistors.

All labeled quantities except the internal resistance Rint are known.

Known quantities: E, I, R1, R2, R3

  

What is the internal resistance of the battery, Rint? Your answer will be in terms of the known quantities. Show all work. (Hint: Equivalent resistance can help.)

Rint=?
H
im
R₁
M
R3
R₂
Transcribed Image Text:Rint=? H im R₁ M R3 R₂
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