The next drawback is for a specific group of people-Color blind people can not identify devices using Color Codes. But this is not a major concern as the exact value can be easily identified using Multimeter. The first one appeals to general users where IT becomes difficult to distinguish between colors when a component is over heat. This technique of Color coding has 2 disadvantages. Color coding technique makes IT easy to print values on small components, such as resistors and facilitates cost - effective manufacturing.
Hence, a standard was formed in 1920 by the Radio Manufacturers Association to identify values and ratings of electronic components by printing color codes on them. Electronic components like resistors are very small in size and it is difficult to print their value directly on to the component surface. In the case of resistors, color coding is used to identify specific RESISTANCE value, For example 100 Ohm Resistor or 1 kilo Ohms Resistor with 5% tolerance.
Color coding is used in electronics to identify between different components. Determine ohmic value of carbon Resistor with color bands give the following figure. The third color band for resistors under 10 will be either GOLD or silver, which indicate a multiplying value of 0. * Please keep in mind that all text is machine-generated, we do not bear any responsibility, and you should always get advice from professionals before taking any actions * Please keep in mind that all text is machine-generated, we do not bear any responsibility, and you should always get advice from professionals before taking any actions. The smaller tolerance percentage is, higher precision in your measurements. Some projects require your measurements to be more precise than others, and for this reason, tolerance band is useful in identifying which resistor will give you more accurate resistance reading. Tolerance = value of resistor x value of tolerance band = 220 x 10% = 22 220 state resistance + /-22 tolerance means that resistor could range in actual value from as much as 242 to as little as 198. 220 resistor has a silver tolerance band. Gold tolerance band is 5% tolerance, silver is 10%, and no band at all would mean 20% tolerance. Tolerance is the percentage of error in resistor's resistance, or how much more or less you can expect the resistor's actual measure resistance to be from its state resistance.
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