What is the resistivity of a wire of 5-gauge wire (A=16.8×10−6m2), 5.00 m length, and 5.10mΩ resistance?
Answer should be ?=1.71×10−8 Ω·m
What is the resistivity of a wire of 5-gauge wire (A=16.8×10−6m2), 5.00 m length, and 5.10mΩ...
A wire of diameter 4.0 10-4 m and length 180 m has resistance of 45 Ω. What is the resistivity of the material? A. 1.36 10-6 Ω·m B. 3.14 10-6 Ω·m C. 7.98 10-7 Ω·m D. 3.14 10-8 Ω·m E. 7.98 10-9 Ω·m
The diameter of 0–gauge copper wire is 8.252 mm. Find the resistance of a 5.00–km length of such wire used for power transmission. Use 1.719e-08 as the resistivity for Cu
A wire whose resistivity, p=4.92 x 10-8 Ωm has a length L = 26 m and a diameter of d = 6.1 x 10-4 m. What is the resistance of this wire in ohms, a? Please round your answer to one decimal place.
A wire is made of a material with a resistivity of 6.56847 × 10−8 Ω · m. It has length 4.63161 m and diameter 0.76384 mm. What is the resistance of the wire? Answer in units of Ω.
A solenoid is made from a 26-m length of wire of resistivity 2 4x10-8 Ω·m The wire, whose radius is 2.0 mm, is wrapped uniformly onto a plastic tube 4.6 cm in diameter and 1.65 m long Part A Find the emf to which the ends of the wire must be connected to produce a magnetic field of 1.6x10-2 T within the solenoid Express your answer using two significant figures. E- Submit Provide Feedback Next
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A 2332 3. er wire has a length of 15 m and a radius of 10 x 10 m Calculate the resistance of the wire. The resistivity of copper ρ 1.68 x 10-8 Ω·m. An electric potential of G/V is applied to both end. etermine the current through the wire and pawer created by the current nd (b) repeat the calculations of (a) if the length is increase to 30 m 6.0e-6 7qzsb 24 9,571 429)(6V) tdto
Consider copper wire with a cross-sectional area 7.85 × 10–5 m2. Caculate the required length of this wire such that it has a resistance of 0.341 Ω at a temperature of 180°C. The resistivity of copper is 1.68 × 10–8 Ω·m at 20°C and the temperature coefficient of resitivity of copper is 3.86 × 10–3 °C-1. Ingore any effects of thermal expansion on the dimensions of the wire. Can you please also explain how to use the temperature coefficient to...
You need to prepare a 0.107 × 10-3 m diameter tungsten wire with
a resistance of 3170 Ω. How long must the wire be? The resistivity
of tungsten is 5.62 × 10-8 Ω·m.
You need to prepare a 0.107 x 103 m diameter tungsten wire with a resistance of 3170 Ω·How long must the wire be? The resistivity of tungsten is 5.62 x108 m. Number Im
5. The instructions for an electric lawn mower suggest that a 20 gauge extension cord ( cross sectional area = 5.2 x 10-7 m²) should only be used for distances up to 35 m. For longer distances a 16 gauge extension cord should be used ( cross sectional area = 13 x 107 m² ). The resistivity of copper (used in the extension cord) is 1.72 x 10-8 2.m at 20°C and the temperature coefficient of resistivity of copper is...
7) A 4.0 m length of gold wire is connected to a 1.5 V battery, and a current of 4.0 mA flows through it. What is the diameter of the wire? (The resistivity of gold is 2.44 × 10-8 Ω·m.) A) 17 µm B) 8.5 µm C) 48 µm D) 9.0 µm