0
No. Other things being equal, a long wire has more resistance than a short wire.
Wiki User
∙ 10y ago
Add your answer:
Earn +20 pts
What happens to resistance of the wire if the wire is short?
Short wire has less resistance Long wire has more resistance Thick wire has less resistance Thin wire has more resistance
Does a long wire have more resistance than a short wire?
A longer wire has a higher resistance, because there are more particles for the electrons going around to "hit", and therefore be slowed down from.
Can copper and alluminium wire of same length and diameter have same resistance?
For a single temperature, yes. The copper wire will have a much smaller cross-section than the iron wire. For multiple temperatures, no. Copper and iron have different temperature coefficients for resistivity.
Does a thin wire has more RESISTIVITy or a thin wire of the same material?
Resistivity is a property of the material only, not of the dimensions of the wire. The resistance of a wire is the resistivity times the length divided by the cross-section area. So a long wire has more resistance, a thicker wire has less resistance, even if they are both made of copper with the same resistivity.
Does a short thick metal wire or a long narrow metal wire have more resistance?
yes, Easy of flow of current increases with increase of area of cross section.
What happens to resistance of the wire if the wire is short?
Short wire has less resistance Long wire has more resistance Thick wire has less resistance Thin wire has more resistance
How does the resistance differ between long and short wires?
Generally, the longer the wire, the more electricity will be lost because of 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.
Does a long wire have more resistance than a short wire?
A longer wire has a higher resistance, because there are more particles for the electrons going around to "hit", and therefore be slowed down from.
Copper has more or less resistance than wood?
Much less
Can copper and alluminium wire of same length and diameter have same resistance?
For a single temperature, yes. The copper wire will have a much smaller cross-section than the iron wire. For multiple temperatures, no. Copper and iron have different temperature coefficients for resistivity.
Why does more current flow through the bulb when the reed switch was replaced with copper wire?
Copper wire has apparently lower resistance than the reed switch. The lower electric resistance, the higher electric current.
Does a thin wire has more RESISTIVITy or a thin wire of the same material?
Resistivity is a property of the material only, not of the dimensions of the wire. The resistance of a wire is the resistivity times the length divided by the cross-section area. So a long wire has more resistance, a thicker wire has less resistance, even if they are both made of copper with the same resistivity.
What is the specific resistance of copper and aluminum?
Copper is widely use in the US, it has the second lowest resistivity, behind silver, which is much more expensive making copper the best choice. It resistivity at 20 °C is 1.72×10−8
Does a short thick metal wire or a long narrow metal wire have more resistance?
yes, Easy of flow of current increases with increase of area of cross section.
Overhead cables are made of almunium not of copper explain?
Much of the newer overhead cables is made of aluminum with steel reinforcing it for strenght purposes. Aluminimum is much cheap, and much lighter, thus it is cheaper to use vs. copper for high voltage transmission, and copper has a lower resistance which means more electricity can get through the wire/ cable, which means more electricity can get around the world quicker. most people should use copper becasue it has a lower resistance where aluminuim has a bit of a high resistance not to much but a bit so that is why you use copper not alominuim.
What is the use of resistance?
In electronic circuits, resistance is used to empede the flow of current. You may want a specific voltage at a given location, so by using resistors, you can obtain that voltage. You may want to limit current, which a resistor can do for you. But resistance is inherent in everything. Copper wire has resistance, your toaster is really nothing more than a resistor. Resistance is generally considered the load in electrical systems. If it were not for resistance, everything would be considered a short circuit. So you see resistance, although many times not desired, is required.
