Ohm's Law for Series Circuits:
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Ohm's Law states that the current through a conductor between two points is directly proportional to the voltage across the two points and inversely proportional to the resistance between them. In series circuits, the current is the same through all components.
The calculator uses Ohm's Law equation:
Where:
Explanation: The equation calculates the balanced current flowing through all components in a series circuit.
Details: Accurate current calculation is crucial for designing and analyzing electrical circuits, ensuring proper component selection, and preventing circuit damage from excessive current.
Tips: Enter voltage in volts and total resistance in ohms. All values must be valid (voltage > 0, resistance > 0).
Q1: Why is current the same in all parts of a series circuit?
A: In a series circuit, there is only one path for current to flow, so the same amount of current passes through each component.
Q2: What happens to current if resistance increases?
A: According to Ohm's Law, current decreases as resistance increases when voltage remains constant.
Q3: Can this calculator be used for parallel circuits?
A: No, this calculator is specifically designed for series circuits. Parallel circuits have different calculation methods.
Q4: What are typical current values in household circuits?
A: Typical household circuits in the US operate at 120V with currents ranging from 15-20A for standard outlets and lighting circuits.
Q5: How does voltage affect current in a series circuit?
A: Current increases proportionally with voltage when resistance remains constant, following Ohm's Law.