What is the equation for calculating the equivalent resistance (R_eq) in a series circuit?
Understand the Problem
The question is asking for the formula used to determine the equivalent resistance in a series circuit. The equivalent resistance in a series circuit is calculated by summing up the resistances of all the individual resistors connected in series.
Answer
R_eq = R1 + R2 + R3 + ... + Rn (sum of individual resistances).
The equation for calculating the equivalent resistance in a series circuit is R_eq = R1 + R2 + R3 + ... + Rn, where R1, R2, R3, ..., Rn are the individual resistances.
Answer for screen readers
The equation for calculating the equivalent resistance in a series circuit is R_eq = R1 + R2 + R3 + ... + Rn, where R1, R2, R3, ..., Rn are the individual resistances.
More Information
The equivalent resistance in a series circuit is simply the sum of all individual resistances. This is because the current flows through each resistor sequentially, so the resistances add up directly.
Tips
A common mistake is to confuse the formula with parallel circuits, where resistances add as reciprocals.
Sources
- Equivalent resistance formula - BYJU'S - byjus.com
- How to Calculate the Equivalent Resistance In a Series Circuit - study.com
- Series Circuits and the Application of Ohm's Law - All About Circuits - allaboutcircuits.com
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