VARIABLE RESISTORS
1. MANUAL RESISTOR:
PICTURE: HOW IT WORKS?
A manual potentiometer is a three-terminal variable resistor that works by using a movable wiper to slide along a resistive element.
NUMBERS:
Potentiometer numbers indicate their resistance, typically marked either directly with a value like "10K" (10 kilohms) or using a three-digit code where the first two digits are the significant numbers and the last is the multiplier
2.LDR
PICTURE:


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