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This combination circuit experiment on page 279 introduces concepts of Rtotal, current division, and voltage drops in parallel circuits. Understand I3, V3, and power dissipation in R1.
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Combination Circuit Labette Pg 279
Parallel Circuit! 1. What is Rtotal? I1 Iparallel I2 6.0 V Rparallel Series Circuit! IT I3 RT = Rparallel+ R3
2. What is I3? I1 Iparallel I2 6.0 V Rparallel Series Circuit! IT I3 IT = I3 = Iparallel = I1 + I2
3. What is V3? I1 I2 6.0 V IT I3
But R2 is Parallel! So Vparallel= V1 = V2 4. What is I2? I1 V1 I2 V2 Vparallel 6.0 V V3 Find Voltage Drop Across Parallel Circuit Rparallel VT = Vparallel+ V3 VT - V3 = Vparallel
5. What is the Power dissipated in R1? P1 = V1 I1 I1 I2 6.0 V IT I3