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Suppose you have two wires of equal length made from the same material how is it possible for the wires to have differents resistances?
You don't specify diameter. I am assuming it is the same. However, the larger the wire the lower the resistance. Temperature affects resistance. The hotter the wire, the higher the resistance. You also don't specify the layout of the wire. For example you could make a coil or choke with one wire.
What is the equation for the length and resistance of a wire?
R = (density)(Length)/(Area) Unit of resistance is Ohms.
How many feet is 50 grams of wire?
The answer depends on the material and thickness of the wire.
What is the resistance of a 6 000 foot piece of 1 0 copper wire?
The answer depends on the cross sectional area of the wire. This is not given.
What is the property of a material that allows it to be pulled into a wire?
This is called ductility.
Three ways which resistance of a wire can be increased?
You can increase the resistance in the wire, by doing any of the following:Increase the length of the wire.Reduce the wire's cross-section.Change to a material that has a greater resistivity (specific resistance).You can increase the resistance in the wire, by doing any of the following:Increase the length of the wire.Reduce the wire's cross-section.Change to a material that has a greater resistivity (specific resistance).You can increase the resistance in the wire, by doing any of the following:Increase the length of the wire.Reduce the wire's cross-section.Change to a material that has a greater resistivity (specific resistance).You can increase the resistance in the wire, by doing any of the following:Increase the length of the wire.Reduce the wire's cross-section.Change to a material that has a greater resistivity (specific resistance).
Is a wire thick with low electric resistance?
A wire that is thicker than another wire of the same material has less resistance
Describe how the electric resistance of a wire changes as the wire becomes longer. How does the resistance change as the wire becomes thicker?
As the wire becomes longer, its resistance increases because there is more material for the electrons to travel through. On the other hand, as the wire becomes thicker, its resistance decreases because there is more space for the electrons to flow, reducing the collisions with the wire material and therefore lowering the resistance.
Electrical resistance in a wire depends on the wire's?
It's dependent on the wire's composition. That is, what material it is made of. <<>> The electrical resistance in a wire depends on the wire's length and cross sectional area.
Three factors that affect the resistance of a copper wire -?
The three factors that affect the resistance of a copper wire are the length of the wire (longer wire has higher resistance), the cross-sectional area of the wire (thinner wire has higher resistance), and the temperature of the wire (higher temperature increases resistance).
How does a wire create resistance?
A wire creates resistance due to collisions between electrons and atoms in the wire's material. These collisions impede the flow of electrons, causing resistance to the current passing through the wire.
What does the resistance of the wire depend on?
The resistance of a wire depends on three main factors: its length, its cross-sectional area, and the material it is made of. Generally, longer wires have higher resistance while thicker wires have lower resistance. The material's resistivity also plays a significant role in determining the wire's resistance.
Two ways resistance of a wire can be increased?
The resistance of a wire is determined by the following formula. R = (rho)L/A, where the greek letter rho (it looks like a p) is a value assigned to a material based on how resistive it is by nature, L is the length of the wire, and A is the cross-sectional area (AKA how thick the wire is). Increase the length, or change the material to something with higher restistivity. Hope this helps!
Does a thin wire has more RESISTIVITy or a thin wire of the same material?
A thin wire will have more resistance than a thicker wire made of the same material because resistance is inversely proportional to cross-sectional area. Thinner wires have a smaller cross-sectional area, leading to higher resistance.
Does long wire have a lower or higher resistance than short wire?
A long piece of wire will have more resistance in it than a shorter one of the same material.
What three things affect the resistance in a wire?
The three main factors that affect the resistance in a wire are the material of the wire (different materials have different resistivities), the length of the wire (longer wires have higher resistance), and the cross-sectional area of the wire (thicker wires have lower resistance).
What are 4 things that influence resistance in a wire?
The four main factors that influence resistance in a wire are the material of the wire, the length of the wire, the cross-sectional area of the wire, and the temperature of the wire. These factors determine how easily electrons can flow through the wire and affect its overall resistance.
