In a series circuit with multiple resistors, what quantity remains the same across each resistor?
Understand the Problem
The question is asking which quantity is constant in a series circuit containing multiple resistors. In a series circuit, the current flowing through each resistor remains the same, while voltage varies across each resistor and total resistance is the sum of resistances.
Answer
The current remains the same across each resistor in a series circuit.
The total current in a series circuit is the same across each resistor.
Answer for screen readers
The total current in a series circuit is the same across each resistor.
More Information
In a series circuit, the current is the same at each point in the circuit, which means it is the same across all components, including resistors. This is due to the nature of series connections, where there is only one path for current to flow.
Tips
A common mistake is thinking that voltage is the same across each resistor in a series circuit, which is not true; only the current is the same.
Sources
- Series Circuits and the Application of Ohm's Law - allaboutcircuits.com
- Physics Tutorial: Series Circuits - physicsclassroom.com
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