Series Circuits

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Lesson Plan →Objectives, pacing and practice, built from this lesson's brief.
Guided Notes →One page your students fill in and keep.
Exit Ticket →Three items at the end of class. No student accounts.
Re-teach →After an exit ticket: who missed what, and what to do tomorrow.
Homework →Assign practice; it grades itself.

19.2

"In a series circuit, the same current flows through all components. The total resistance of a series circuit is the sum of the individual resistances: R_total = R₁ + R₂ + R₃." "Kirchhoff's voltage law states that the algebraic sum of the changes in potential around any closed circuit loop must be zero."

"In a series circuit, the same current flows through all components. The total resistance of a series circuit is the sum of the individual resistances: R_total = R₁ + R₂ + R₃."
"Kirchhoff's voltage law states that the algebraic sum of the changes in potential around any closed circuit loop must be zero."

What you'll learn

Identify a series circuit configuration and explain what happens to current when the circuit is broken
Calculate the equivalent resistance of resistors in series using R_eq = R₁ + R₂ + ...
Apply Ohm's Law to find the current in a series circuit and the voltage drop across each resistor
Apply Kirchhoff's Voltage Law (KVL) to verify that voltage drops sum to the source voltage
Analyze a series circuit with multiple resistors to find all unknown voltages and currents

Review first:

Ohm's Law

Slides

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Series circuits

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Practice

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Exercise

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