An 18-gauge copper wire with a diameter of 3-mm carries a constant current of 1.2-A. The charge concentration in the wire is 8.5 x 1028 per cubic meter. The cross-sectional area is 0.0000015-m2. Determine the potential difference in V between two points in a wire that is 22-m apart. Use q = 1.602 x 10-19 and resistivity equal to 1.72x10-8 ohm-m

An 18-gauge copper wire with a diameter of 3-mm carries a constant current of 1.2-A. The charge concentration in the wire is 8.5 x 1028 per cubic meter. The cross-sectional area is 0.0000015-m2. Determine the potential difference in V between two points in a wire that is 22-m apart. Use q = 1.602 x 10-19 and resistivity equal to 1.72x10-8 ohm-m

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter21: Current And Direct Current Circuits

Section: Chapter Questions

Problem 61P

See similar textbooks

Similar questions

What current flows through a 2.54-cm-diameter rod of Pure silicon that is 20.0 cm long, when 1.00103 V is applied to it? (Such a rod may be used to make nuclear- particle detectors, for example.)
An 18-gauge copper wire with a diameter of 3.74-mm carries a constant current of 1.73-A. The charge concentration in the wire is 8.5 x 1028 per cubic meter. Determine the electric field in mN/C. Use q = 1.602 x 10-19 and resistivity equal to 1.72x10-8 ohm-m.
An 18-gauge copper wire with a diameter of 3-mm carries a constant current of 1.2-A. The charge concentration in the wire is 8.5 x 1028 per cubic meter. The cross-sectional area is 0.0000015-m2. Determine the electric field in mN/C. Use q = 1.602 x 10-19 and resistivity equal to 1.72x10-8 ohm-m.
A conductor has a cross-sectional area of 2.3x 10P m and the number of free electrons per unit volume is 8.5x 1028 electron/m³. When the current is 6.1 A, find the drift speed (in mm/s) of the electrons. Use the charge of the electron to be 1.6x1019 C. Select one: OA 0.26 OB. 25.60 OC.0.13 OD. 19.50 OE 0.20
فير A conductor has a cross-sectional area of 2.3x 10-6 m and the number of free electrons per unit volume is 8.5x 10- electron/m. When the current is 8.6 A, find the drift speed (in mm/s) of the electrons. Use the charge of the electron to be 1.6x 10-19 C. Select one: OA 0.19 OB. 27.49 CC.036 C0.36.09 CE.027 page
An 18-gauge copper wire with a diameter of 3-mm carries a constant current of 1.2-A. The charge concentration in the wire is 8.5 x 1028 per cubic meter. The cross-sectional area is 0.0000015-m2. Determine the resistance of a 100-m wire in milli-ohm. Use q = 1.602 x 10-19 and resistivity equal to 1.72x10-8 ohm-m.
A 62.4 cm length of the material has a circular cross-section of diameter 12.1 mm. When a potential difference of 87 V is placed across the length of the material, a current of 12.5 mA flows. Calculate the resistivity of the wire. Give your answer to 2 decimal places.
A conductor has a cross-sectional area of 2.3×10 6 m² and the number of free electrons per unit volume is 8.5x 1028 electron/m³. When the current is 10.5 A, find the drift speed (in mm/s) of the electrons. Use the charge of the electron to be 1.6x 10-19 C. Select one: O A. 0.34 O B. 44.07 OC. 0.44 OD. 0.23 OE. 33.57 Next page
Calculate the ratio of the resistance of 15.0 m of aluminum wire 2.3 mm in diameter, to 30.0 m of copper wire 1.7 mm in diameter. The resistivity of copper is 1.68 x 10–8 N. m and the resistivity of aluminum is 2.65 x 10-8 N · m. Express your answer using two significant figures.
When 134 V is applied across a wire that is 12 m long and has a 0.40 mm radius, the magnitude of the current density is 2.0 × 104 A/m². Find the resistivity of the wire. Number 5.444E-4 Units (Q.m)^-1 ✓
3.0 A battery has an emf of 12 V and an internal resistance of 0.05000. What is the terminal voltage when the current drawn from the battery is 8.0 A? The terminal voltage is = V. (1) If a current of 40 mA exists in a metal wire, how many electrons flow past a given cross section of the wire in 6 min? Number of electrons flow past a given cross section of the wire = Part B 4. (a) An object is pushed a distance 4.2 m along a frictionless horizontal table by a constant applied force of magnitude 3D22.0N directed at an angle of 23.0° below the horizontal as shown in Figure. If the mass (m) of the object is 2.00 kg calculate the work done by the applied force and power if it takes 3 minutes. Pa
Problem 1. A piece of 1 4-gauge copper wire 0. 163cm in diameter is 1 4.0m long. (a) What is its resistance? (b) If a potential difference of 1.00 V is applied across the wire, what current flows in it? (c) What is the electric field in the wire? The resistivity of copper is 1.724∙10-8 Ohm-m.