Question

In the figure R1 = 7.61 Ω, R2 = 22.8 Ω, and the ideal battery has emf ε = 10.8 V. (a) What is the magnitude of current i1? (b) How much energy is dissipated by all four resistors in 1.26 min?

8 RI Ry RY RO

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Answer #1

RI Rz, Rz, Rz are in parallel www Rz ... Req= R2 3. 3 Ri R. 8 R2 3 are in series Rz whe Req = R1 + R₂ R + Ring Req=7.61 +22.8

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