in an electric motor, a coil with 104 turns of radius 1.90 cm can rotate between the poles of a magnet. The magnetic field magnitude is 0.200 T. When the current through the coil is 57.7 mA, what is the maximum torque that the motor can deliver? 1N-m

in an electric motor, a coil with 104 turns of radius 1.90 cm can rotate between the poles of a magnet. The magnetic field magnitude is 0.200 T. When the current through the coil is 57.7 mA, what is the maximum torque that the motor can deliver? 1N-m

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)...

See similar textbooks

Similar questions

A solenoid is wound with 2000 turns per meter. When the current is 5.7 A, what is the magnetic field within the solenoid? B = T
A current of 20.0 mA is maintained in a single circular loop with a circumference of 2.95 m. A magnetic field of 0.735 T is directed parallel to the plane of the loop. What is the magnitude of the torque exerted by the magnetic field on the loop? ? N · m
A point particle of charge 8.0 nC has a velocity of 3.0 x 104 m/s in the direction of a uniform magnetic field of strength 200 μT. What amount of force does the magnetic field exert on the charged particle? a. 0.00 N b. 1.2 x 10-8 N c. 4.8 x 10-8 N d. 3.6 x 10-8 N e. 2.4 x 10-8 N
In an electric motor, a coil with 100 turns of radius 2.0 cm can rotate between the poles of a magnet. The magnetic field magnitude is 0.20 T. When the current through the coil is 50.0 mA, what is the maximum torque that the motor can deliver?
A circular coil of wire of 200 turns and diameter 5 cm carries a current of 4 A. It is placed in a magnetic field of 0.70 T with the plane of the coil making an angle of 30° with the magnetic field. What is the torque on the coil? 2.5 N·m 1.8 N.m 0.48 N.m 0.95 N·m
A 10-cm-radius, conducting, circular loop with 50 turns carries a current 0.80 A. What is the strength of the magnetic field at the center of the loop? O a. 250 µT O b.650 µT O c. 350 µT O d. 550 µT O e. 450 µT
A 0.25 m long solenoid contains 104loops of wire. What current will be necessary to produce a 0.5 T magnetic field inside the solenoid?
A proton travelling at a high velocity enters a 0.45 T magnetic field and travels in a circular path of radius 0.28 m as shown. A B=0.45 T X X X X X X X X X X X B What is the kinetic energy of the proton? And which path will the proton follow? A or B? x X X X X
A 2278 turn solenoid is carrying a current of 18.2 A. The solenoid is 98.45 cm long. What is the magnitude of the magnetic field (in milli-tesla) through the center of the solenoid?
The rod shown in the accompanying figure is moving through a uniform magnetic field of strength B = 0.85 T with a constant velocity of magnitude v = 4.5 m/s. What is the potential difference between the ends of the rod? Which end of the rod is at a higher potential? T. 5.0 cm Hint a. The magnitude of the potential difference between the ends of the rod is V. b. The Select an answer v of the rod is at a higher potential. Hint for (b)
Problem 21: A proton moves at a speed 1.1 × 107 m/s perpendicular to a magnetic field. The field provokes the proton to move in a circular path of radius 0.825 m. What is the field strength, in tesla? B = ______