What is the correct way to interpret resistor bands in a circuit?

In summary, the conversation revolves around verifying the resistor bands on a circuit with two resistors in parallel. The color gold is identified as the tolerance band, and the orientation of the resistor does not affect its resistance. It is also noted that the tolerance band is usually the 4th band when reading from the opposite end.
  • #1
Clandry
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Hi guys. I attached a picture of a circuit with 2 resistors in parallel.

I want to verify if I'm reading the resistor bands correctly. For the left most resistor, the color gold is the tolerance right? For the right most resistor, the color gold is still the tolerance right?

Does the orientation of the resistor matter? I.E what happens if I flip the resistor on the right?
 

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  • #2
Clandry said:
Hi guys. I attached a picture of a circuit with 2 resistors in parallel.

I want to verify if I'm reading the resistor bands correctly. For the left most resistor, the color gold is the tolerance right? For the right most resistor, the color gold is still the tolerance right?

Does the orientation of the resistor matter? I.E what happens if I flip the resistor on the right?
If you flip the resistor, of course that won't change its resistance, so ...

You should know that the tolerance band is (generally) the 4th band. Start reading from the other end.

attachment.php?attachmentid=55059&d=1359247875.png
 

FAQ: What is the correct way to interpret resistor bands in a circuit?

What is the purpose of a resistor in a circuit?

A resistor is an electronic component that is used to resist the flow of electric current in a circuit. It is used to control the amount of current in a circuit, protect other components from too much current, and to lower the voltage in a circuit.

How does a resistor affect the flow of electric current in a circuit?

A resistor reduces the flow of electric current by converting electrical energy into heat. This is due to the resistance of the material used in the resistor, which hinders the flow of electrons and slows down the current. The higher the resistance of a resistor, the more it will reduce the flow of current in a circuit.

What factors determine the resistance of a resistor?

The resistance of a resistor is determined by its physical properties, such as its length, cross-sectional area, and the material it is made of. The longer the resistor, the higher the resistance, and the narrower the cross-sectional area, the higher the resistance. Different materials also have different resistances, with some materials being better conductors than others.

How do you calculate the resistance of a resistor?

The resistance of a resistor can be calculated using Ohm's Law, which states that resistance (R) is equal to the voltage (V) divided by the current (I). This can be written as R = V/I. The resistance is measured in ohms (Ω).

How do you read the color bands on a resistor?

The color bands on a resistor indicate the resistance value, tolerance, and sometimes the temperature coefficient. Each color represents a number, and by reading the colors in a specific order, you can determine the resistance value. There are many online color band calculators that can help you decipher the values of a resistor based on its color bands.

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