Calculate the resistance of a 1 Km long copper wire of area of cross section 2 x10 -2 cm 2. The resistivity of copper is 1.623 x 10 -8 ohm-meter. asked Sep 26 2018 in Physics by Sagarmatha (
· This percentage change is a characteristic of the material and is known as the temperature coefficient of resistance . For copper at 20 degree C the coefficient is given as 0.00393 that is each change of one degree in the temperature of a copper wire results in a resistance change equal to 0.393 of one percent of its value at 20 deg C.
Calculate the resistance of a copper wire 1.0 km long and 0.50 mm diameter if the resistivity of copper is 1.7 10 −8 Ω m. Advertisement Remove all ads. Solution Show Solution. Length of the cable wire l = 1 km = 1000 m. Diameter of the cable wire d = 0.5 mm.
Question 2. Calculate The Resistance Of 6.00 Km Of Number 12 Gauge copper Wire At 20.C. RI. This problem has been solved See the answer. Show transcribed image text. Expert Answer
How to calculate the electrical resistance of a wire . Today you can find the main formulas to calculate the electrical resistance of a cable.But first let s look at some basics on resistance.. The electrical resistance is the opposition of electrons when moving through a conductor.
How to calculate the electrical resistance of a wire . Today you can find the main formulas to calculate the electrical resistance of a cable.But first let s look at some basics on resistance.. The electrical resistance is the opposition of electrons when moving through a conductor.
Assuming you actually mean thermal resistance rather than electrical resistance the answer would be non trivial because wire is cylindrical. Thermal resistance is best addressed for a rectangular or other regular shape. Thermal resistance calcu
Calculate the resistance of `1 km` long copper wire of radius `1 mm`. Resistivity of copper is `1.72 xx 10 -8 Omega m`.
Assuming you actually mean thermal resistance rather than electrical resistance the answer would be non trivial because wire is cylindrical. Thermal resistance is best addressed for a rectangular or other regular shape. Thermal resistance calcu
Solution for Calculate the resistance of a copper wire of 1-cm length 1-mm radius and 1.72 x 10-8 ohm-m resistivity.
· Find an answer to your question 13. Calculate the resistance of 1 km long copper wire of radius 1 mm. (Resistivity of copper = 1.72 x 1 0-8) (R=5.5)
· Copper Wire Resistance and Voltage Drop. AWG stands for "American Wire Gauge" and is a standardized wire gauge system used in the US since 1857 for diameters of round nonferrous electrically conducting wire. The cross-sectional area of a wire determines it s resistance and current-carrying capacity.
There is a specific formula you can use to calculate the resistance of copper wire based on its area and length. To save time a calculator comes in handy to crunch the numbers. The area of electrical wire is measured in a unit called "circular mils. You need this number to calculate a wire
· The Resistance of a conductor having a length l and a uniform cross-sectional area A is given by R = l/(A Elecnductivity) if conductivity = 5.8 e7 S/m for a copper what is the resistance of copper # 18 copper wire (daimeter = 1.024 mm) that is 40 ft long.
· The Resistance of a conductor having a length l and a uniform cross-sectional area A is given by R = l/(A Elecnductivity) if conductivity = 5.8 e7 S/m for a copper what is the resistance of copper # 18 copper wire (daimeter = 1.024 mm) that is 40 ft long.
This percentage change is a characteristic of the material and is known as the temperature coefficient of resistance . For copper at 20 degree C the coefficient is given as 0.00393 that is each change of one degree in the temperature of a copper wire results in a resistance change equal to 0.393 of one percent of its value at 20 deg C.
· Find an answer to your question 13. Calculate the resistance of 1 km long copper wire of radius 1 mm. (Resistivity of copper = 1.72 x 1 0-8) (R=5.5)
· hence resistance of copper wire = 2.74 Ohm New questions in Physics A body of mass 0.2kg performs linear S.H.M . lt experiences a restoring force of 0.2 N when its displacement from the mean position is 4 cm . determi
· Investigating the Resistance of a Wire. Aim. I will investigate the resistance of a wire in relation to its length. Prediction. I predict that the longer the wire the larger the resistance. This is because the free electrons in the wire bump into more atoms thereby making it
Click here👆to get an answer to your question ️ (a) Calculate the resistance of 1 km long copper wire of radius 1 mm. Resistivity of the copper is 1.72 x 10-12 m.
The diameter of 0-gauge copper wire is 8.252 mm. Find the resistance of a 1.00-km length of such wire used for power transmission. 3. If the 0.100-mm diameter tungsten filament in a light bulb is to have a resistance of 0.200 Ω at 20ºC how long should it be
Resonant Wire Antenna Efficiency Note that the formulas in this article are all METRIC so the diameter D is in metres. For It is interesting how much adverse difference using tinned copper wire coated with to Ham radio folk the transmit power lost in the resistance of a 12AWG wire
· What is the resistance of 1 000 feet of copper wire (specific resistance = 10.37) given a cross-sectional area of 10370 cmil and a wire temperature of 20°C Given R = r L/A. a) 1 Ω b) 2 Ω c) 10 Ω d) 100 Ω e) none of the above. Circular mil (cmil) is a
· Investigating the Resistance of a Wire. Aim. I will investigate the resistance of a wire in relation to its length. Prediction. I predict that the longer the wire the larger the resistance. This is because the free electrons in the wire bump into more atoms thereby making it
· )solid strand. 1 lb = 0.4536 kg 1 ft (foot) = 0.3048 m American Wire Gauge is a U.S. standard for wire conductor size.The "gauge" is related to the diameter of the wire. Download and print Copper Wireelectrical resistance vs. temperature chart
· To calculate you need to know the length and cross-sectional area. Resistance of a wire. R = ρL/A. ρ is resitivity of the material. L is length. A is cross-sectional area. resistivity ρ of Cu 17.2 (nΩ-m) Once you have the resistance just calculate the voltage drop (which is the loss) by ohms law E = IR.
Calculate the resistance of a copper wire 1.0 km long and 0.50 mm diameter if the resistivity of copper is 1.7 10 −8 Ω m. Advertisement Remove all ads. Solution Show Solution. Length of the cable wire l = 1 km = 1000 m. Diameter of the cable wire d = 0.5 mm.
Engineers often ask how to calculate the resistance of a cable there is a very simple formula that works well within an ohm or so with copper cable.. If you take the number 19 the divide by the cross sectional area of the cable this will give you the resistance over
Calculate the resistance of `1 km` long copper wire of radius `1 mm`. Resistivity of copper is `1.72 xx 10 -8 Omega m`.