Voltage Divider Formula in Series Circuit
The voltage Uᵢ across resistor Rᵢ is related to the total voltage U by: Uᵢ = (Rᵢ)/(R₁ + R₂ + ⋯ + Rₙ) U. Conditions: Pure resistive series circuit.
Syllabus path: Electromagnetism › DC Circuits › Series and Parallel Circuits
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CSCA Physics Formula Reference
Formula and explanation
The voltage Uᵢ across resistor Rᵢ is related to the total voltage U by: Uᵢ = (Rᵢ)/(R₁ + R₂ + ⋯ + Rₙ) U. Conditions: Pure resistive series circuit. Explanation: In a series circuit, the voltage divides in proportion to the resistance. A larger resistance gets a larger share of the voltage.
Related tutorial and examples
Series and Parallel Circuits
Topic: Electromagnetism > DC Circuits > Series and Parallel Circuits 1. Core Model Comparison: Series vs Parallel Distinguishing the connection method is the starting point for all circuit problems. Use the diagram below to intuitively understand the difference in current paths. …
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