Problem 8: A 20 cm long, zero-resistance wire is pulled outward, on zero-resistance rails, at a steady speed of 10 m/s in a 0.10 T magnetic field. On the opposite side, a 1.02 carbon resistor completes the circuit by connecting the two rails. The mass of the resistor is 50 mg. a. What is the induced current in the circuit? Mark the direction. b. How much force is needed to pull the wire at this speed? Draw the force vector. c. What is the magnitude and direction of magnetic force on the wire? d. How much does the temperature of the carbon increase if the wire is pulled for 10 s? The specific heat of carbon is 710 J/kg K. Neglect thermal energy transfer out of the resistor. Zero-resistance wires 1.00 10 m/s 0.10 T ww

Problem 8: A 20 cm long, zero-resistance wire is pulled outward, on zero-resistance rails, at a steady speed of 10 m/s in a 0.10 T magnetic field. On the opposite side, a 1.02 carbon resistor completes the circuit by connecting the two rails. The mass of the resistor is 50 mg. a. What is the induced current in the circuit? Mark the direction. b. How much force is needed to pull the wire at this speed? Draw the force vector. c. What is the magnitude and direction of magnetic force on the wire? d. How much does the temperature of the carbon increase if the wire is pulled for 10 s? The specific heat of carbon is 710 J/kg K. Neglect thermal energy transfer out of the resistor. Zero-resistance wires 1.00 10 m/s 0.10 T ww

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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