Experiment 11: Resistors in Series and Parallel - Theory & Concepts - Circuit Ohms Law

A theory-first lesson on circuit topology, Kirchhoff's laws, equivalent resistance, voltage division, current division, power, mixed networks, simulation, and laboratory verification.

Open the complete lesson

Interactive engineering simulation

Ohm's Law Circuit Simulator

Switch between series and parallel resistance. Current, power, electron-flow speed, and bulb brightness update immediately.

Supply voltage12 V

1–48

Drag for exploration or enter an exact value. Press Enter to apply; Escape restores the current value.

Resistance R16 Ω

1–50

Drag for exploration or enter an exact value. Press Enter to apply; Escape restores the current value.

Resistance R24 Ω

1–50

Drag for exploration or enter an exact value. Press Enter to apply; Escape restores the current value.

Governing Formulas

Ohm's Law

I = \frac{V}{R}

Equivalent Resistance (series)

R_{eq} = R_1 + R_2

Equivalent R

10.00 Ω

Current

1.20 A

Power

14.40 W

Model scope and verification

Use the displayed units and idealizations, then verify the governing balance or compatibility equation before interpreting the result.

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