Consider the three resistors and the battery in the circuit shown. For V = 12.0 V, R1= 1.8 ?, R2= 2.0 ?, and R3= 3.0 ?, a) Calculate the equivalent resistance of all three resistors. b) Determine the current, and power supplied by the battery. c) Determine the power dissipated in each of the resistors.
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8 Ω, R2 = 2.0 Ω, R3 = 3.0 Ω Equivalent resistance (Req) = R2 * R3 / (R2 + R3) Req = 2.0 * 3.0 / (2.0 + 3.0) Req = 6.0 / 5.0 Req = 1.2 Ω Show more…
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A battery with voltage $\mathrm{Vb}=12.0 \mathrm{~V} V_{\mathrm{b}}=12.0 \mathrm{~V}$ is connected to resistors $\mathrm{R} 1=8.00 \Omega, R_{1}=8.00 \Omega, \mathrm{R} 2=10.0 \Omega, R_{2}=10.0 \Omega$, and $\mathrm{R} 3=12.0 \Omega R_{3}=12.0 \Omega$ as shown in Figure 18-31. Calculate the total power provided by the battery and the power dissipated by each of the three resistors. Example $18-10$
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