What are the formulas for resistors in series and parallel?
Series total resistance: R(total) = R₁ + R₂ + ... + R n. Parallel total resistance: (1)/(R(total)) = (1)/(R₁) + (1)/(R₂) + ... + (1)/(R n). Conditions: Applies…
Syllabus path: Electromagnetism › DC Circuits › Ohm's Law
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CSCA Physics Formula Reference
Formula and explanation
Series total resistance: R(total) = R₁ + R₂ + ... + R n. Parallel total resistance: (1)/(R(total)) = (1)/(R₁) + (1)/(R₂) + ... + (1)/(R n). Conditions: Applies to linear resistors in series or parallel combinations. Explanation: For series connection, the total resistance is the sum of individual resistances. For parallel connection, the reciprocal of the total resistance equals the sum of the reciprocals of individual resistances.
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Ohm's Law
Topic: Electromagnetism > DC Circuits > Ohm's Law 1. Core Law: Ohm's Law Ohm's Law is the cornerstone of circuit analysis. It reveals the quantitative relationship between voltage, current, and resistance in pure resistive elements. Formula: I = (U)/(R) Physical Meaning: The curr…
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