Resistor Color Code Calculation in Hindi - 4 Band Resistor

Resistor Color Code decoding Technique. How To Decode Resistor Color Code explained by #ElectricalGuruji

How to find out 4 band resistance #ColorCode ?

The first two bands always denote the first two digits of the resistance value in ohms. On a three or four-band resistor, the third band represents the multiplier. This multiplier will basically shift your decimal place around to change your value from mega ohms to milliohms and anywhere in between. The fourth color band signifies tolerance. Keep in mind that if this band is absent and you are looking at a three-band resistor, the default tolerance is ±20%.

History of the Resistor


Resistors are an essential part in electrical circuits. Early researchers came to comprehend the idea of obstruction not long after they were directing tests to decide the aftereffects of going power through all sort of materials and in this manner found electrical flow. While copper, gold, and aluminum were observed to be awesome conveyors with the low opposition, air, mica, and pottery were considered resistors as a result of their capacity as far as possible the stream of electrical current. Despite the fact that individuals in the business have known about their crucial capacities for a considerable length of time, a solid resistor as we probably are aware them today did not come to fruition until 1961 when Otis Boykin made an ease, dependable resistor that enabled an exact measure of power to go to a part. With his leap forward, resistors were less influenced by outrageous temperatures and stun, and it was at last conceivable to financially fabricate them. As the US military, IBM, and numerous customer hardware produces set requests for Boykin's new resistor, they started to be consolidated into everything from family machines and PCs to guided rockets.

Resistors are pervasive in advanced hardware. As detached gadgets, they disseminate control however never give control. They have numerous utilizations in circuits, such as managing current stream to LEDs or controlling the measure of voltage achieving a functioning gadget, for example, a transistor. Resistors can be utilized to end a transmission line and forestall reflections or as a draw up or pull-down resistor on the GPIO of a microcontroller to add solidness to a framework. Utilizing a resistor and capacitor together can make a planning source vital for light flashers or electronic alarm circuits. A "daisy chain" of resistors associated in the arrangement can make a voltage divider helpful for parts that need to work at a lesser voltage than that provided by the information.

Since you know the essentials of resistors and the traps for perusing their shading codes, get out there and inspire every one of your companions!
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