Before choosing a resistor, it is a good idea to do some research and learn what they are actually going to be able to do for them. A resistor is used as an electrical component that creates voltage that is proportional to the electrical current that is passing through in order to help create resistance. Resistors can be used in a lot of different ways within circuits.
Voltage is important to know about. It is the type of power that will help to cause the electricity to flow within the circuit. Resistance is also important, as it is what controls this electricity flow. These both are very important jobs to have. Resistors get their name due to the fact that they are the part of the circuit that does the resisting against the electricity. Electrical flow needs to be regulated with resistors in order to make sure that all components are able to function to the best of their ability. Learn the most important lesson about precision resistors.
There are a lot of different resistors out there and they all have slight differences that can make a big impact on a project. One example is carbon resistors. They are different because they are used when attached to carbon material. It is pretty cheap to buy compared to other resistors, but they are also not as great at dissolving a lot of power. These are the sorts of things that you need to think of when you are looking for the resistor that will be best for you.
Anyone that wants a good, but slightly generic resistor is going to want to find one that has high tolerance. This is a very important feature of any resistor. The different resistors that are most popular for this type of category are going to have metal oxides in them. This is what helps with the tolerances. The most common sort of resistor is called the wirewound resistor. This resistor has electrical currents that can be dissipated at really big levels and this is especially true when you think of how it compares to other resistors that are out there. Wirewound resistors also have tight tolerance levels, but they are really good for a project that needs to regulate temperature. Thesse resistors are great for any project that requires absolute precision. All of your question about high power resistors will be answered when you follow the link.
No matter what resistor you have, you need to know all that you can about it in order to understand how it will function in your circuit. Knowing the power rating and the voltage rating is a really good idea. You will also want to make sure that you know the tolerance and resistance.