(a) In the figure what value must R have if the current in the circuit is to be 1.3 mA? Take ɛ1 = 2.7 V, 82 = 5.5 V, and r1 = r2 = 2.6 2. (b) What is the rate at which thermal energy appears in R? (a) Number 2100 Units Ω (b) Number 3631000 Units W

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