basic electronics - resistor reading
DESCRIPTION
Resistor ReadingTRANSCRIPT
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RESISTORREADING
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RESISTOR-Is a device that limits or resists current.
- resistance is measured in ohms, represented by the symbol OMEGA ( Ω )
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SCHEMATIC SYMBOL
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THE RESISTOR:
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THE RESISTOR:
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THE RESISTOR:
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2 MAIN CATEGORIESOF RESISTOR
LINEAR RESISTORS
- HAS FIXED VALUE
NON-LINEAR RESISTORS- CHANGES VALUE
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RESISTOR READING
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COLOR DIGIT MULTIPLIER TOLERANCE COEF.
BLACK 0 x1BROWN 1 x10 ±1% 100 ppmRED 2 x100 ±2% 50 ppm
ORANGE 3 x1,000 ±3% 15 ppmYELLOW 4 x10,000 ±4% 25 ppmGREEN 5 x100,000BLUE 6 x1,000,000VIOLET 7 x10,000,000GREY 8 x100,000,000WHITE 9 x1,000,000,000GOLD x0.1 ±5%SILVER X0.01 ±10%NONE ±20%