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The resistance value of a 1 meter copper wire depends on its gauge (thickness) and temperature. For example, a 1 meter wire of 24-gauge copper has a resistance of about 25.67 ohms at room temperature. It is important to consider these factors when calculating the resistance of copper wire.

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Why copper strips are used in meter bridge wire?

Copper strips are used in a meter bridge wire due to their excellent conductivity, which allows for accurate measurement of resistance in the wire. The low resistance of copper helps minimize any potential measurement errors caused by the resistance of the connecting wires.


Would have the same resistance as a copper wire that is 4 m long and has a cross-sectional area of 0.066 cm2?

A wire with the same resistance as the given copper wire would have the same resistivity as copper. The resistance of a wire is dependent on its resistivity, length, and cross-sectional area. To calculate the resistance of a wire, use the formula R = (resistivity * length) / area; however, without the specific resistivity value, an exact value cannot be provided.


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.


Can copper and alluminium wire of same length and diameter have same resistance?

No, copper and aluminum wire of the same length and diameter will not have the same resistance. Copper has a lower resistivity than aluminum, so a copper wire will have lower resistance compared to an aluminum wire of the same length and diameter.


What are the dependent variables in a copper wire resistance experiment?

The dependent variables in a copper wire resistance experiment would typically be the resistance of the copper wire being measured. This would vary based on factors like the length and thickness of the wire, as well as the temperature.

Related Questions

Why copper strips are used in meter bridge wire?

Copper strips are used in a meter bridge wire due to their excellent conductivity, which allows for accurate measurement of resistance in the wire. The low resistance of copper helps minimize any potential measurement errors caused by the resistance of the connecting wires.


Would have the same resistance as a copper wire that is 4 m long and has a cross-sectional area of 0.066 cm2?

A wire with the same resistance as the given copper wire would have the same resistivity as copper. The resistance of a wire is dependent on its resistivity, length, and cross-sectional area. To calculate the resistance of a wire, use the formula R = (resistivity * length) / area; however, without the specific resistivity value, an exact value cannot be provided.


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.


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.


Can copper and alluminium wire of same length and diameter have same resistance?

No, copper and aluminum wire of the same length and diameter will not have the same resistance. Copper has a lower resistivity than aluminum, so a copper wire will have lower resistance compared to an aluminum wire of the same length and diameter.


What has the lowest resistance copper wire or iron wire?

Copper wire. .wikipedia.org/wiki/Electrical_resistivity_and_conductivity


What are the dependent variables in a copper wire resistance experiment?

The dependent variables in a copper wire resistance experiment would typically be the resistance of the copper wire being measured. This would vary based on factors like the length and thickness of the wire, as well as the temperature.


Are there any videos where metre bridge, commutator and Peltier's effect are explained together?

(a) The connection between the resistors in a meter bridge is made of thick copper strips because the resistivity of a copper wire is very low. As, the connections are thick, so the area becomes large and the resistance of the wires becomes almost negligible. (b) It is preferred to obtain the balance point in the middle of the meter bridge wire because it improves the sensitivity of the meter bridge. (c) Constant is used for meter bridge wire because its temperature coefficient of resistance is almost negligible due to which the resistance of the wire does not get affected on increasing temperature of the wire during flow of current.


How much voltage drop will be in 6 meter length of 16 mm² copper wire for 40 Amp load?

The voltage drop in a 6-meter length of 16 mm² copper wire carrying a 40 Amp load can be calculated using Ohm's Law and the wire's resistance. Copper wire has a resistance of about 0.000133 ohms per meter. The voltage drop can be found using the formula Voltage Drop = Current x Resistance x Length. Therefore, the voltage drop in this scenario would be approximately 0.32 volts.


Which wire would have the lowest resistance a long thin iron wire at a high temperature or a short thick copper wire at a low temperature?

The short thick copper wire at a low temperature would have the lowest resistance. Copper has lower electrical resistance than iron, and a shorter, thicker wire has lower resistance compared to a long thin wire, regardless of the temperature.


What happens to the resistance of copper wire as the temperature of the wire increases?

The resistance of copper wire increases as the temperature of the wire increases. This is due to the increase in collisions between free electrons and atoms in the wire, which hinders the flow of electricity.


What would not reduce resistance in the copper wire?

Increasing the length of the wire will not reduce resistance in a copper wire. In fact, resistance is directly proportional to the length of the wire according to the formula R = ρ * (L/A), where R is resistance, ρ is resistivity, L is length, and A is cross-sectional area.