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If A conductor has a resistance of 0.8 ohms what will happen to its resistance if the temperature is decreased?
The resistance of a conductor is directly proportional to the resistivity of the conductor. since the resistivity of a conductor is decreases with decrease in temperature hence the resistance.
Does resistivity depends upon dimension of the conductor?
Yes, resistivity does depend on the dimensions of the conductor. The resistivity of a material is an intrinsic property, but the resistance of a conductor is also influenced by its dimensions such as length, cross-sectional area, and shape. These dimensions affect the resistance of the conductor through the formula R = ρ * (L/A) where ρ is resistivity, L is length, and A is the cross-sectional area.
Is resistivity depends upon dimension of conductor?
Yes, resistivity is dependent on the material of the conductor, not its dimensions. Resistivity is an intrinsic property of a material that influences its ability to resist the flow of electrical current.
Is it true that a material with high resistivity is a good conductor?
No, a material with high resistivity is a poor conductor. Resistivity is a property that quantifies how much a material resists the flow of electric current. Materials with high resistivity impede the flow of current, making them poor conductors.
Is resistivity of conductor independent of charge?
Yes, resistivity, which is a material property, is independent of the amount of charge. Resistivity is determined by the material itself, while the amount of charge only affects the flow of current through the conductor.
Does plutonium is a conductor?
The electrical resistivity of plutonium is 150.108 ohm.m; plutonium, as a metal, is a conductor but not good.
Is lead a good conductor of electricity in all the states?
The resistivity of lead is 208 n.Ohm.m (at 20 degrees celsius) in comparison, the best conducter, silver, has a resistivity of 15,87 n.Ohm.m widely used conducter, copper, has a resistivity of 16,78 n.Ohm.m , considered to be a good conductor resistivity of iron, considered not to be the a good conductor at all is 97 n.Ohm.m So no, lead is not a good conducter. But keep in mind, it's still a conductor, don't use it as an isolation!
Why is copper wire the best known conductor?
The best electrical conductor known is silver, not copper. Electrical resistivity of silver: 1,59.10-8 ohm.m Electrical resistivity of copper: 1,68.10-8 ohm.m A good electrical conductor has a very low electrical resistivity and a high electrical conductivity (the same principles for the thermal conductivity).
What is resistivity of material?
the electrical resistance of a conductor through unit cross-sectional area per length is called "resistivity of material"
What type of conductor is promethium?
The electrical resistivity of promethium is 0,75 microohm.meter.
What are the uses of a conductor in high ressitance?
they are used to reduce the resistivity,owing to the fact that the conductor introduces current into the resistance
Is cobalt a poor conductor?
Cobalt is not a very good conductor as copper or silver; the electrical resistivity is 62,4 nohm.m
