A wire 6.50 m long with diameter of 2.05 mm has a resistance of 0.0290 N. What material is the wire most likely made of?
Q: what diameter must be chosen for the new wire?
A: Given: Initial length of wire is Li=4.635 m Initial diameter of wire is di=6.53 mm Length of new…
Q: A coil of wire has a resistance of 55.8Ω at 26 °C and 54.1Ω at 61 °C. What is the temperature…
A: Initial temperature To = 26oC Final temperature T = 61oC Initial resistance Ro = 55.8 ohm Final…
Q: A certain metal wire has a cross-sectional area of 1.0 cm² and a resistivity of 1.7 x 10-8. m. What…
A: Given data: Area (A) = 1.0 cm2 = 1.0×10-4 m2 Resistivity (ρ) = 1.7×10-8 Ω.m Resistance (R) = 1.0 Ω…
Q: A silver wire with a circular cross-section has a mass of 1.45 g and a resistance of 0.790 Ω. At…
A: Mass (m) = 1.45 g = 0.00145 kg Resistance (R) = 0.79 ohm Temperature (T) = 20o C Resistivity of…
Q: A lightbulb has a resistance of 280 N when operating with a potential difference of 80 V across it.…
A:
Q: Aluminum has a resistivity of 2.65 × 10-8 2 × m. What is the resistance of 15 m of aluminum wire…
A: We have given Resistivity (Rho) = 2.65 × 10-8 ohm_meter And. Length (l) = 15 m…
Q: The resistivity of a 1.0 m long wire is 1.72 x 10-8pm and its cross sectional area is 2.0 X 10-6m2.…
A:
Q: copper wire is r = 2.19 cm in radius and 2.6 m in length, has a resistivity of 1.72x10^-8 Ω m, and…
A: Given: The radius of the wire is 2.19 cm. The length of the wire is 2.6 m. The resistivity of the…
Q: A piece of wire has resistance of 1.25 2. The wire is made of a material with resistivity 8.2x10-7…
A:
Q: There is a potential difference of 1.6 V between the ends of a 10 cm long graphite rod that has a…
A:
Q: There is a potential difference of 1.3 V between the ends of a 10 cm long graphite rod that has a…
A: Given Potential difference between the ends is ∆V=1.3 V Length of the rod is l=10 cm=0.10m…
Q: resistance of a 25 cm
A:
Q: A wire is 2.3 m long and has a diameter of 0.38 mm. When connected to a 1.2 V battery, there is a…
A:
Q: If the resistivity of a particular wire is 75.56x10-8 Ω⋅m, the wire is 48.16mm in length, and the…
A:
Q: High-voltage power lines are a familiar sight throughout the country. The aluminum (resistivity =…
A:
Q: esistance depends on the size and shape of a conductor. We expect a long wire to have higher…
A: Given: ρ=12.08*10-8 Ωl = 14.22 mr = 1.33 m
Q: Calculate the resistance of a 1.2 meter copper wire with a cross-sectional area of 1.0 x 10m?.
A: as per our guidelines we are supposed to answer only one question. Kindly repost other questions as…
Q: What is the resistance of a 6.8 m length of nichrome wire that has a radius of 0.321 mm? How much…
A:
Q: Two wires with the same resistance have the same diameter but different lengths. If wire 1 has…
A: Given Information:- Resistance and diameter of the two wires are same. Resistivity of copper is…
Q: 10-gauge copper wire (diameter = 2.588 mm, ρ = 1.7 × 10–8 Ω · m) has a total resistance of 0.32 Ω.…
A:
Q: A length of #8 copper wire (radius = 1.63 mm) has a mass of 24.0 kg and a resistance of 2.061 ohm…
A:
Q: A wire has a resistance of 2.50 Ω, a radius of 4.20 mm and a length of 4.00 m and we want to find…
A: Write the expression for the resistivity
Q: What is the resistance of a 7.4-m length of copper wire 1.2 mm in diameter? The resistivity of…
A:
Q: A wire is made of a material with a resis- tivity of 2.97138 x 10-8 2 · m. It has length 2.16443 m…
A:
Q: A coil of wire has a resistance of 36.2Ω at 26 °C and 61.7Ω at 67 °C. What is the temperature…
A:
Trending now
This is a popular solution!
Step by step
Solved in 2 steps
- A wire 3.77 m long and 6.81 mm in diameter has a resistance of 20.6 mΩ. A potential difference of 26.6 V is applied between the ends. What is the magnitude of the current density? Current in the wire is 1291.26 A Answer isnt 11284400, 3547400000,There is a potential difference of 0.90 V between the ends of a 20 cm long graphite rod that has a cross-sectional area of 1.8 mm2. The resistivity of graphite is 7.5 x 10-6 2-m. (a) Find the resistance of the rod. (b) Find the current. (c) Find the electric field inside the rod.A wire has a diameter of D = 0.95 cm and is L = 5.5 m long. When connected to a V = 24 V source the wire passes a I = 35 A current. What is the wire's resistivity in Ω⋅m?
- a 4.00 meter long aluminum wire at 20 C has a radius of 2.5 x 10^-3 meter. what is the resistance of the wireA wire (of unknown material) is 10 m long with a 0.9 mm diameter and has a resistance of 0.383 Q at room temperature (20 °C). What is its resistance (in Q) at 190 °C? Use the Resistivity Table as needed.A gold wire has a length of 23.0 m and a resistance of 4.70 Ω at 20.0°C. Assuming a circular cross-section, what is the wire's diameter (in mm)? The resistivity of gold at 20.0°C is 2.44 ✕ 10−8 Ω · m
- Gold is the most ductile of all metals. For example, 2 gram of gold can be drawn into a wire 2.4 km long. The density of gold is 19.3 x 103 kg/m3, and its resistivity is 2.44 x 10-8 Vm. What is the resistance of such a wire at 20.0°C? 2984 Ohms 1356 Ohms 1356250 Ohms 565OhmsA 580 mm long tungsten wire, with a 0.048 mm diameter circular cross section, is wrapped around in the shape of a coil and used as a filament in an incandescent light bulb. When the light bulb is connected to a battery, a current of 0.536 A is measured through the filament. Tungsten has a resistivity of 4.9 x 10-8 Ohms x m. How many electrons pass through this filament in 5 seconds? What is the resistance of this filament? What is the voltage of the battery that would produce this current in the filament?In a physics project, you need a wire to electrically heat a cryostat. You decide to create one with materials you have lying around. You find a 29.0-g piece of copper. The resistivity of copper is 1.68 x 10-8 Ω.m, and its density is 8.9 g/cm3. You will need to use all of your copper to create a solid cylindrical wire that has a total resistance of 0.75 Ω.Determine how long your wire will be, and what its diameter will be.