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Does aluminum have lower resistance than copper?
No, aluminum has a higher resistance than copper.
What has the lowest resistance copper wire or iron wire?
Copper wire. .wikipedia.org/wiki/Electrical_resistivity_and_conductivity
Is the earth a good conductor?
No, the Earth is not a good conductor of electricity. While it can carry some current, it has higher resistance compared to metals like copper or silver. Lightning, for example, exploits the conductivity of the atmosphere rather than the Earth itself.
Why does more current flow through the bulb when the reed switch was replaced with copper wire?
When the reed switch is replaced with copper wire, the circuit becomes a closed loop with significantly less resistance compared to the reed switch. This lower resistance allows more current to flow through the circuit, including the bulb. The increased current flow results in the bulb glowing brighter as it receives more electrical energy.
Why are the wires in electric circuits often made of copper?
Because copper is one of the best conductors of electricity and it has a high melting point so it won't melt with the heat from the flow of electricity when used for normal amounts of current, it is also malable meaning it can be changed easily into wires or other objects. As a metal it's expensive compared to some other metals such as iron (which is not such a good conductor as copper), but it's not as expensive as silver or gold (which are better conductors than copper), so copper doesn't cost a lot to manufacture into wires.(but most of wires are metal )
Does aluminum have lower resistance than copper?
No, aluminum has a higher resistance than copper.
What material has the lowest resistance plastic copper or wood?
Copper has the lowest resistance among plastic, copper, and wood materials. Copper is an excellent conductor of electricity compared to plastic and wood, which have higher resistance due to their insulating properties.
What has the lowest resistance copper wire or iron wire?
Copper wire. .wikipedia.org/wiki/Electrical_resistivity_and_conductivity
What are factors that affect resistance of electricity?
Factors that affect resistance of electricity include the type of material the wire is made of (e.g. copper vs. aluminum), the length of the wire (longer wires have higher resistance), and the cross-sectional area of the wire (thicker wires have lower resistance). Temperature also affects resistance, with higher temperatures typically leading to higher resistance.
Is nickel a better conductor than copper give reason?
No, copper is a better conductor of electricity than nickel. This is because copper has lower electrical resistance and higher thermal conductivity compared to nickel, making it a more efficient material for conducting electricity.
What copper wire would have the highest resistance?
A thicker copper wire will have higher resistance as it will offer more opposition to the flow of electrons compared to a thinner wire. Additionally, a longer copper wire will have higher resistance compared to a shorter wire due to increased distance for the electrons to travel. Finally, a copper wire with impurities or defects will have higher resistance than a pure copper wire.
How is the movement of electricity through air different from its movement through copper wire?
Electricity moves more easily through copper wire due to its high conductivity, while it experiences resistance when moving through air. In copper wire, electrons flow freely, creating a low resistance path for electricity. In contrast, electricity moving through air requires a higher voltage to jump gaps and generate an electrical discharge.
From copper and manganin which has higher resistance?
The question is actually wrong, they can both have the same resistance if configured differently, the real question should be which has a higher resistivity which is the electrical resistance found in a standard amount of each material. In this case Manganin has a higher resistivity than copper.
What transfers electricity better nickel or copper?
Copper is a better conductor of electricity compared to nickel. Copper has higher electrical conductivity, meaning it allows electricity to flow more easily through it. This is why copper is commonly used in electrical wiring and components.
What Type Of Copper Wire Conducts Electricity Best?
Copper wire with a larger diameter (lower gauge number) conducts electricity better than wire with a smaller diameter (higher gauge number). Thicker wire has lower resistance, allowing more current to flow through it efficiently. Additionally, copper is an excellent conductor of electricity compared to other materials like aluminum.
Are paper clips good conductors of electricity?
Paper clips are decent conductors of electricity because they are made of metal (usually steel). However, they may not be as efficient as other metals like copper or silver due to their higher resistance.
Why does electricity take the shortest path?
because resistance is proportional to the wire's length's . electricity moves from a higher potential to a lower one. Potential = current intensity x resistance, thus potential increases when resistance does. eventually electricity will not choose the longer path because it has a higher potential.
