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please provide the complete solutions . thanks

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_ The circuit below contains two batteries and a resistor
R = 9.00 0 (the resistor might be a light bulb or a toaster). In the upper battery the emf is 81 = 12.0 V and the internal resistance
is r1 = 2.00 0. In the lower battery the emf is 82 = 5.00 V and the internal resistance is r2 = 3.00 0. What is the rate at which
chemical potential energy is being converted to electrical energy in this circuit (in watts)? (A) 2.00 (B) 14.5 (C) 11.2 (D) 0.875 (E) 9.08 (F) 6.00 r. E.

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Subject: Physics, Science

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