What is the formula for calculating the equivalent resistance in a series circuit?
Understand the Problem
The question is asking for the specific formula used to calculate the equivalent resistance in a series circuit. We need to identify the correct answer from the provided options.
Answer
The equivalent resistance formula for a series circuit is R_total = R1 + R2 + ... + Rn.
The equivalent resistance in a series circuit is calculated using the formula R_total = R1 + R2 + ... + Rn, where R1, R2, ..., Rn are the individual resistances in the circuit.
Answer for screen readers
The equivalent resistance in a series circuit is calculated using the formula R_total = R1 + R2 + ... + Rn, where R1, R2, ..., Rn are the individual resistances in the circuit.
More Information
In a series circuit, the total or equivalent resistance is simply the sum of the individual resistances. This means that each resistor adds to the total resistance of the circuit.
Tips
A common mistake is to confuse the formula for series circuits with the formula for parallel circuits, where the reciprocal of the total resistance is equal to the sum of the reciprocals of the individual resistances.
Sources
- How to Calculate the Equivalent Resistance In a Series Circuit - study.com
- Equivalent Resistance Formula: Meaning, Formulas, Solved Examples - toppr.com
- 10.3: Resistors in Series and Parallel - Physics LibreTexts - phys.libretexts.org
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