# What does a 100 ohm resistor do?

## What does a 100 ohm resistor do?

Commonly used in breadboards and other prototyping applications, these 100 ohm resistors make excellent pull-ups, pull-downs and current limiters. These thick-lead versions of the resistors fit snugly into a breadboard with very little movement, so you should have few to no issues using them in your next project!

## What is the maximum tolerance of the resistor?

Resistance tolerance shows the maximum allowable difference from the nominal resistance value. Most of the resistors Bourns offers are ±1 % and ±5 % tolerance. Precision thin film resistors have a very low tolerance down to ±0.01 %.

## Do resistors tolerance?

Resistors don't inherently have tolerance. They are made to certain tolerances. ... This is the amount that the resistance can varied from the specified value. So if you have a 1KΩ resistor with 10% tolerance, the actual value of the resistor can be 900Ω to 1100Ω .24 ago 2014

## What is the function of ohm resistor?

A resistor has the ability to reduce voltage and current when used in a circuit. The main function of a resistor is to limit current flow. Ohm's law tells us that an increase in a resistors value will see a decrease in current. To reduce voltage, resistors are set up in a configuration known as voltage divider.26 nov 2018

## What is the voltage across the 100 ohm resistor?

According to Ohm's law, if 10 milliamperes passes through a 100 ohm resistor, then the voltage dropped across that resistor will be : E=IR=10mA×100Ω=1 volt.18 jul 2016

## What does it mean when a resistor has a 2 watt rating?

The power that the circuit would be delivering to the motor is: Here, a 2 watt resistor would be suitable for the circuit. A lower power rated resistor such as a 0.25W, 0.5W, or 1W resistor would most likely cause the circuit to smoke, since the resistor would receive more power than it could handle.

## Can I use a 2 watt resistor instead of 1 watt?

You can almost always use the larger wattage resistor. There are cases with high-speed circuits where you have to select a resistor with lower capacitance or inductance or even changes in resistance vs temp. But, in general, bigger is fine except it take more board space, and costs more.29 oct 2017

## How can you tell how many ohms a resistor is?

https://www.youtube.com/watch?v=GLD7AgAYqwA

## How do I increase the wattage of a resistor?

If you need to increase the possible power dissipation, you can combine resistors in parallel or series. You just need to select appropriate resistor values to give the correct value for the combination. A convenient combination is 4 resistors in series / parallel.

## Which resistor is used for higher wattage?

Type Power Rating Stability --------- -------------------- --------- Wirewound High up to 500 Watts High 1%

## How do you increase the wattage of a circuit?

Q: How do you increase the wattage of a circuit? One of two ways (or both): increase the voltage from the source, or increase the amps of the load. Since watts = volts * amps, that will increase the wattage of the circuit.