Identification Of Resistors With The Help Of Color Coding

Brief look to calculate the value of a resistor with the help of color bands,  Basic Color coding of resistors for beginners.

Resistor is a basic component used in electronic circuitry. Many types of resistors are being used in both electrical and electronics circuits .It is commonly used to control the flow of current or to make voltage drops at different stages of electronics circuits. Resistors are available in different values/ Ranges from one Ohm ( Ω ) to Millions of Ohms.

Commonly resistors are made out of many materials e.g. Carbon, Metal, Metal oxide film etc. Normally a  very thin conductive wire is wrapped in a helix around and covered with insulated material.

Resistors are available in different bands painted on the top surface of it which is used to calculate the value, It is also available in different sizes which is commonly depends on the Wattages and the flow of current in circuits which we are using in.

The slandered resistor is consists of 4 color bands but  5 and 6 color's band resistors are available as well, 4 color band resistors are widely used in electronics circuits. 

To calculate the value of a resistor, Start observing and memorize the color painted on the surface of resistor, Reading from left to Right ,count first color as digit, Second color  count as digit again, Third color count as multiplier of x 10, and the last four color count as tolerance.

Digit, Digit, Multiplier = Color, Color x 10 color  in Ohm’s (Ω)

Lets have a look into basic and stander colors used to calculate the value of resistors.

How to Calculate the Value of Resistor with 4 color bands?

For instance, a resistor has the accompanying shaded markings;

Yellow Violet Red = 4 7 2 = 4 7 x 102 = 4700 (Ω) or 4k7 Ohm.

The fourth and fifth colors are utilized to decide the rate resilience of the resistor. Resistor resilience is a proportion of the resistors variety from the predetermined resistive worth and is a result of the assembling system and is communicated as a level of its "ostensible" or favored value.