# What Happens to Resistance If Length is Doubled?

Resistivity is a property of materials that opposes the flow of charges. The quantity of resistance depends on the size of the material. One way to explain resistance is by using the analogy of a crowded place: if the space is greater, moving through it is easier, but if the crowd is longer, it is harder. In a similar manner, increasing the length of a rope will increase the amount of resistance.

## Increases by 4 times

When the length of a square is doubled, the area also doubles. When the area doubles, the resistance of the square falls by half. The formula below gives the answer in less time than Quora. A decrease in area means less room for the current to move and more collisions. So, how does it affect the electrical current? Read on to learn more. But first, what does the change in area mean?

## Becomes 1/4 times

What does “Becomes 1/4 times resistance when length is doubled” mean? This is a mathematical expression that relates the area of a cross-sectional area to resistance. When the cross-sectional area of a cylinder or tube doubles, its resistance becomes 1/4 the original resistance. This formula is easy to remember, but it is not an exact science. You should always double-check your calculations before using them to estimate your resistance.

The cross-sectional area of a wire is proportional to its length. The longer the wire, the higher the resistance. By doubling its length, the resistance doubles. The same goes for a wire. The cross-sectional area of a wire is equivalent to one-fourth its original length, and the same goes for the wire. If you want to find the length of a wire, you can use Poisson’s Ratio.

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## Becomes times

The length and cross-sectional area of a conductor determine its resistance. The area increases by one-fourth with the square of the diameter, and the inverse holds true for the resistivity. Hence, doubling the length of a conductor doubles its resistance by a factor of four. This is the same principle for the area of a wire or a rubber band. When the length and cross-sectional area are the same, the resistance is half.

As the length and cross-sectional area increase, so does the resistance. Hence, resistance is inversely proportional to length. Moreover, doubling the length will double the resistance. The length and cross-sectional area will remain the same, but the resistivity will increase by two times. Hence, the longer the wire or string, the more resistance it has. If you double the length of a wire or string, the resistance will increase by two times.

## Becomes 4 times

What happens when you double the length of a wire? You double its resistance, but the area of its cross section remains the same. The same goes for its resistivity. If you want to know how to double the resistance of a wire, you need to look at some examples. In the next section, we will discuss the different types of wires and how they work. After learning about different types of wires, we will explore how they change resistance and how you can measure them.

Generally, resistance increases as the length of a wire increases. The area of a wire’s cross section is directly proportional to its resistance. Therefore, doubling the length will double the resistance. In addition, when the area is doubled, the resistance also doubles. Double the length and the area of the cross section and the resistance is 4 times as much as the original value. Once again, the length of a wire should be doubled if you want to make the resistance double.

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## Becomes 1/2 times

If a wire’s length is doubled, the resistance increases by 1/2. The same amount of metal will be in twice as much wire, so the same length will increase resistance. The material used to make the wire also determines its thickness. Most materials have higher resistance than those that lose volume when stressed. For instance, copper is less resistant than steel, which loses volume by about 1/4. By doubling a wire’s length, it doubles resistance.

Resistance is directly proportional to the length of a wire, and inversely proportional to its area. In a cylinder, the length is 72 times the radius. If the length is doubled, the resistance increases by one-fourth of its original value. The same applies to wires with a radius of half the diameter. The area of a wire’s cross-section is four times larger when the length is doubled. 