3 V R1 = 100 ? R2 = 100 ? R3 = 100 ? Resistor | Resistance (?) | Current (A) | Voltage (V) 1 | 2 | 3 |
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3 Resistor Circuits: Series and Parallel In each of the following cases, find V1 and V2, the voltage drops across the resistors, and I1 and I2, the currents through them. 12 V 12 V R1 = 3 Ω R2 = 9 Ω R1 = 3 Ω R2 = 9 Ω
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We have four resistors in series. The emf is E=10 V. We give the resistance R4 = 300 ̐. The voltmeters and ammeter read V1=2 V, V2=2.5 V, I=5 mA. Find the value of R1, R2, and R3. A) R1=500 ̐, R2=100 ̐, R3=50 ̐ B) R1=800 ̐, R2=500 ̐, R3=300 ̐ C) R1=900 ̐, R2=300 ̐, R3=150 ̐ D) R1=1000 ̐, R2=450 ̐, R3=250 ̐ E) R1=1100 ̐, R2=400 ̐, R3=200 ̐
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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