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Iron offers greater resistance compared to other materials due to its atomic structure and the presence of impurities in its lattice. The atomic structure of iron makes it harder for electrons to flow freely, leading to higher resistance in electrical circuits. Additionally, impurities in iron can create more obstacles for electron flow, further increasing its resistance.
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How does length affect resistance of a wire?
In general, the longer the wire, the greater the resistance. This is because a longer wire offers more resistance to the flow of electrons compared to a shorter wire. The resistance of a wire is directly proportional to its length.
What falls faster 1kg iron or 1kg cotton?
If there was no wind resistance they would both hit the floor at the same time... however, and since such an atmosphere doesn't exist, (Wind resistance acting on cotton is greater because it has a greater surface area..) so iron will fall faster ... .
What type of wire will have the most resistance?
A longer and thinner wire will have more resistance compared to a shorter and thicker wire. This is because the longer wire results in greater opposition to the flow of electrical current, while the thinner wire offers less space for electrons to flow through, thus increasing resistance.
If wires are made from the same material and are the same length which would have greater resistance?
The wire with smaller diameter (thinner wire) will have greater resistance. This is because resistance is inversely proportional to the cross-sectional area of the wire. Thinner wires have smaller cross-sectional area, leading to greater resistance.
The resistance that all matter offers to change of position or motion is called what property?
The resistance that all matter offers to change of position or motion is called inertia.
How energy is transformed in electric flat iron?
An electric iron has a heating element that offers electrical resistance. The resistance causes friction to occur in the electrons and causes a heating effect.
How energy transformed in electric flat iron?
An electric iron has a heating element that offers electrical resistance. The resistance causes friction to occur in the electrons and causes a heating effect.
How electric flat iron energy is transformed?
An electric iron has a heating element that offers electrical resistance. The resistance causes friction to occur in the electrons and causes a heating effect.
How the electric transform in electric flat iron?
An electric iron has a heating element that offers electrical resistance. The resistance causes friction to occur in the electrons and causes a heating effect.
How does length affect resistance of a wire?
In general, the longer the wire, the greater the resistance. This is because a longer wire offers more resistance to the flow of electrons compared to a shorter wire. The resistance of a wire is directly proportional to its length.
Why is aluminum a better conducter of electricity than sodium?
'Voltage' isn't 'conducted'. Voltage can be thought of as 'electrical pressure' which, when applied across opposite ends of a conductor will cause a CURRENT to flow along that conductor. So your question should really be asking, why aluminium conducts a greater CURRENT than iron. The answer is simple. Aluminium is a better 'conductor' than iron. In other words iron resists the flow of current more than aluminium does. Or to express this in another way, iron offers a greater RESISTANCE to the flow of current. Resistance is a natural property of a conductor, with some conductors have more, or less, resistance than other conductors. The best conductor, i.e. the one with the least resistance, is silver -closely followed by copper. Iron is a relatively poor conductor in comparison with silver, copper, or aluminium.
What falls faster 1kg iron or 1kg cotton?
If there was no wind resistance they would both hit the floor at the same time... however, and since such an atmosphere doesn't exist, (Wind resistance acting on cotton is greater because it has a greater surface area..) so iron will fall faster ... .
Which has the greater density a kilogram of feathers of kilogram of iron?
Iron has a greater density.
Why did people switch from using bronze to iron?
They switched because even though bronze is easier to manipulate, iron is more useful and much more suitable for armour and weapons. Iron can be sharpened but unlike bronze the sharpness last longer because of its greater resistance.
Is an electromagnet made of a coiled wire and a metal bolt is stronger than one made with a wire alone?
Yes. An Iron core electromagnet has a stronger magnetic field then a coil. The magnetic flux is condensed and travels through the iron core with little resistance, while air provides much greater resistance.
Is an electromagnet made of a coiled wire and a metal bolt stronger than one made with wire alone?
Yes. An Iron core electromagnet has a stronger magnetic field then a coil. The magnetic flux is condensed and travels through the iron core with little resistance, while air provides much greater resistance.
Is and electromagnet made of a coiled wire and a metal bolt stronger than one made with a wire alone?
Yes. An Iron core electromagnet has a stronger magnetic field then a coil. The magnetic flux is condensed and travels through the iron core with little resistance, while air provides much greater resistance.
