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  • The students should understand the combinations of resistors in series and parallel circuits. Series circuits: I = I1 = I2 = Ω, V = V1 + V2 + Ω, RS = R1 + R2 + Ω, Parallel circuits: I = I1 + I2 + Ω, V = V1 = V2 = Ω, 1/Rp=1/R1+1/R2+Ω

The students should understand the combinations of resistors in series and parallel circuits. Series circuits: I = I1 = I2 = Ω, V = V1 + V2 + Ω, RS = R1 + R2 + Ω, Parallel circuits: I = I1 + I2 + Ω, V = V1 = V2 = Ω, 1/Rp=1/R1+1/R2+Ω

Experiments

Here are experiments our science specialists have selected to support this IB* topic.

Series and Parallel Circuits

Experiment #23 from Physics with Vernier

  • To study current flow in series and parallel circuits.
  • To study potential differences in series and parallel circuits.
  • Use Ohm’s law to calculate equivalent resistance of series and parallel circuits.

Educational Standard
International Baccalaureate (IB) 2025
Subject
Physics
Theme
B The particulate nature of matter
Topic
B.5 Currents and Circuits
Level
Standard level and higher level
See all Physics topics

* The IB Diploma Program is an official program of the International Baccalaureate Organization (IBO) which authorizes schools to offer it. The material available here has been developed independently of the IBO and is not endorsed by it.

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