RedCrab Math Tutorial
 


Resistor and Conductance
Ohm's Law
Specific Resistivity and Conductance
Resistors in Series
Resistors in Parallel
Wire Voltage Loss
Electrical Power
 
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Resistors in Series

When multiple resistors are connected in a line where the current flows through them in sequence, we call it a series connection of resistors.
 

Total resistance

The total resistance results from the addition of the individual resistors
 

Current

The flowing current through the individual resistors is equal and corresponds to the total current of the circuit.
 

Voltage

The total voltage across the total resistance is the sum of the individual voltages at the individual resistors
 
The applied total voltage is divided by the individual resistances in proportion to their values.
 
From this, the formula for a single voltage can be derived.
 

Example

We calculate the total resistance, the current and the individual voltages at the resistors. The total voltage is given with 230 volts.

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