Resistor.ppt
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The document describes how to decode the color bands on a resistor to determine its resistance value and tolerance. It explains that the first two color bands represent the first two digits, the third band is the multiplier, and the fourth band indicates the tolerance. It then provides the formulas for calculating the lower and upper resistance range based on the tolerance. Finally, it reviews the formulas for calculating total resistance in series and parallel circuits.
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This document discusses resistor color coding. It explains that resistors use a color band system to indicate their nominal resistance value and tolerance. For resistors with ±5% or ±10% tolerance, the code uses 4 color bands representing the first three digits of resistance in ohms and the last band indicating tolerance. For ±1% or ±2% tolerance, 5 bands are used with the first three representing each digit of resistance. Examples are provided of determining resistance value and tolerance from the color bands as well as specifying the color code for given resistance values.
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- 4. CODED VALUE OF RESISTOR
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