You have a lump of copper with a mass of 1.8 grams. Copper is ductile so you can draw it into a cylindrical wire. You draw it into a wire with length L and diameter D so that it has a resistance of 2Ω.
What is the length of the wire in m and the diameter in mm?
Hint: you may need to look up some properties of copper!

You have a lump of copper with a mass of 1.8 grams. Copper is ductile so...
You are working at a company that manufactures electrical wire. Gold is the most ductile of all metals: it can be stretched into incredibly long, thin wires. The company has developed a new technique that will stretch 1.00 g of gold into a wire of length L= 2.40 km and uniform diameter. a) What is 1 gm in kg, and what is the volume of 1 gm of gold? The mass density of gold ρ= 1.93 x 10^4 kg/m3. Watch...
What is the resistance of a 2.9-m length of copper wire 1.8 mm in diameter? The resistivity of copper is 1.68×10−8Ω⋅m.
Suppose you are hooking up a pair of stereo speakers (A) You happen to have on some 20 m long peices of 16 gauge copper wire (diameter 1.3 mm); you use them to connect the speakers to the amplifier. These wires are longer than needed, but you just coil up the excess length instead of cutting them. What is the resistance of one of these wires? (B) To improve the performance of the system, you purchase 3.0 m long speaker...
As part of a class project you are given 0.900 g of copper and asked to fabricate a wire with uniform cross-section. You use up 95% of the copper and make a wire with a resistance of 0.813 12. The resistivity of copper is 1.72 x 10-822 · m and its density is 8.92 x 103 kg/m”. (a) What length of wire do you end up with? (b) What is the diameter of the wire? mm
You have a piece of copper wire of length L = 15.0 cm and radius R = 0.5 mm. Given that the resistivity of copper is 1.68 X 10^-8 Ohm*m, what is: a. The resistance of your piece of wire? b. If a current of i = 0.5 mA is set up in the wire, what is the magnitude of the current density of the wire? c. With a current of i = 0.5 mA, what is the change in...
Please answer all parts! Thanks.
I. It is desired to construct a solenoid that will have a resistance of 6.00 Ω at 20°C and produce a magnetic field of 4.00 × 102 T at its center when it cames a current of 3.40 A. The solenoid is to be constructed from copper wire having a diameter of 0.500 mm. If the radius of the solenoid is to be 1.00 cm, determine the following. (The resistivity of copper at 20°C is...
You have a 5 meter length of copper wire. The diameter of the wire is 0.5 mm Copper has a resistivity of p = 1.70*10^-18 ohms at room temperature. A) What is the resistance of the wire? B)Suppose you connect the wire to a battery, and shape the circuit to one circular loop. Sketch what the magnetic field looks like in this scenario. Include direction of current. C) What is the magnetic field at the center of the loop. The...
Suppose you wish to fabricate a uniform wire out of 1.25 g of copper. If the wire is to have a resistance R = 0.310 Ω, and if all the copper is to be used, find the following. (a) What will be the length of the wire? m (b) What will be the diameter of the wire? mm
Suppose you wish to fabricate a uniform wire out of 1.05 g of copper. If the wire is to have a resistance R = 0.370 Ω, and if all the copper is to be used, find the following. (a) What will be the length of the wire? m (b) What will be the diameter of the wire? mm
Need this question
answered in python.
Science P5.35 Electric wire, like that in the photo, is a cylindrical conductor covered by an insulat- ing material. The resistance of a piece of wire is given by the formula where p is the resistivity of the conductor, and L, A, and d are the length, cross- sectional area, and diameter of the wire. The resistivity of copper is 1.678 × 10-8 Ω m. The wire diameter, d, is commonly specified by the...