0
Resistance in a wire restricts the movement of the electrons through the wire. This restriction transfers some of the energy contained in the electrons into the material of the wire and as this energy accumulates in the material of the wire the wire starts to heat. Therefore, there the energy that is transferred into the wire material is considered wasted because it is not available as electrical energy, which means the consumer who is using that wire is charge for the electrical energy that is waste. It the resistance is less in that conductor the consumer will save money.
What else can I help you with?
What is the cause of resistance and how the resistance of wire can be determind?
The cause of resistance is the opposition to the flow of charges.Resistance occurs due to the collisions between charges inside a substance. The resistivity of a wire can be found out by using a meter bridge or a slide wire bridge.
What are the two ways to increase the resistance of a wire?
You don't specify what you are referring to. However, if your question relates to resistance in general, then you should know that resistance is directly-proportional to the length of a conductor and to its resistivity, and inversely-proportional to its cross-sectional area. Resistivity is a characteristic of the material from which a conductor is made, and varies from one material to another.This means that you can increase resistance by increasing the length of a conductor, or by decreasing its cross-sectional area, or by selecting a conductor manufactured from a material with a greater resistivity (e.g. by using aluminium rather than, say, copper).
What is a current-carrying wire?
A wire with some resistance and a voltage applied to it The amount of current I passing this wire is V/R
How does temperature affect resistance of a wire?
If you are asking if a hot wire has a greater resistance than a cold wire then the answer I would say is yes. Cold wires have always had less resistance than hot wires
How do you calculate diameter of a copper wire conductor and how do we calculate resistance of a copper wire conductor of a particaular length?
You go to the NEC and look at the chart for developed length and the ambient temperature and the load factor and if it solid or stranded wire as stranded allows for more voltage
Which material has a greater resistance aluminum or copper wire?
Copper wire has greater resistance than aluminum wire. This is because copper is a better conductor of electricity than aluminum. This means that copper wire will have less resistance and will be able to carry more current with less energy loss.
Why must the resistance of an earth wire to an appliance be very low?
since it is a good conductor
What is the cause of resistance and how the resistance of wire can be determind?
The cause of resistance is the opposition to the flow of charges.Resistance occurs due to the collisions between charges inside a substance. The resistivity of a wire can be found out by using a meter bridge or a slide wire bridge.
What wire will allow high current to pass through without getting hot?
A wire with low resistance. To obtain the lowest resistance, the wire must be -- thick -- a good conductor; silver, copper, etc. -- cold
Why does Resistance decrease in thin wire?
Area of cross section: Resistance R is inversely proportional to the area of cross section ( A) of the conductor. This means R will decrease with increase in the area of conductor and vice versa. More area of conductor facilitates the flow of electric current through more area and thus decreases the resistance. This is the cause that thick copper wire creates less resistance to the electric current.
What happens to resistance of the wire if the wire is short?
If the wire is short, its resistance will likely decrease. A shorter wire has less length for electrons to travel through, resulting in lower resistance according to the formula R = ρL/A, where R is resistance, ρ is resistivity, L is length, and A is cross-sectional area.
How does the thickness of the wire affect resistance?
A thicker wire has less resistance than a thinner wire.
What affects resistance in a circuit?
1.Resistance is dependent on the material.Like wood is insulator(ALMOST infinite resistance). 2.Resistance of a wire having more cross sectional area is less and less cross sectional area is more(i.e. it is inversely propotional to the cross sectional area.) 3.It is more for more length and less for less length. 4. Resistance varies with temprature.For metals like platinum it increses with temprature.
How does the thickness of wire affect the resistance?
Thicker wire has less resistance than thinner wire due to lower electrical resistance. Thicker wire allows more electrons to flow through it easily, resulting in less opposition to the flow of electric current.
Which is a better conductor between a short wire and long wire?
Double the length is double the resistance. Resistance of a wire is the resistivity of the material, times the length, divided by the cross-section area.
Is a wire thick with low electric resistance?
A wire that is thicker than another wire of the same material has less resistance
Copper is used to make electric wire because it is a good what?
Copper is used to make electric wire because it is a good conductor of electricity. It allows electrical currents to flow easily through the wire with minimal resistance, making it an ideal material for conducting electricity efficiently.
