Science Knowledge Index
Resistors

Example:

photo resistance, photo resistor,resistance symbol, resistor picture

Circuit symbol:

photo resistance, photo resistor,resistance symbol, resistor picture


Function
Resistors restrict the flow of electric current, for example a resistor is placed in series with a light-emitting diode (LED) to limit the current passing through the LED.

Connecting and soldering
Resistors may be connected either way round. They are not damaged by heat when soldering.

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