Electrical engineering - Basics Page 13

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2.1 Series connection of resistors

If the power consumers (resistors) are arranged one after another so that the same current flows through them one speaks of a series connection (e.g. electric Christmas tree lights).
Furthermore, each supply line to a power consumer also represents at the same time an into series switched resistor.

Diagram 16: Series connection with three power consumers (resistors switched into series)

For series connections the following formulas apply:

1. Total amperage I or ITotal

2. Total voltage U or UTotal

3. Total resistance R or RTotal

If the electric circuit of a series connection is interrupted at one point no current can flow anymore.


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