B1) A proton moving (along +x- axis) with the speed 3.2 x 10 5 m/s enters in a uniform magnetic field B of 0.9 T directed along negative y-axis (-y- axis). The angle between velocity and magnetic field is 90°. Find the magnitude of magnetic force acting on the proton. Charge of the proton is 1.6x10-19. C B2) A wire carrying 20 A of current has a length of 23.5 cm in a magnetic field of 1.25 T. Find the force on the wire if the angle between the wire and the magnetic field lines is 45°.

B1) A proton moving (along +x- axis) with the speed 3.2 x 10 5 m/s enters in a uniform magnetic field B of 0.9 T directed along negative y-axis (-y- axis). The angle between velocity and magnetic field is 90°. Find the magnitude of magnetic force acting on the proton. Charge of the proton is 1.6x10-19. C B2) A wire carrying 20 A of current has a length of 23.5 cm in a magnetic field of 1.25 T. Find the force on the wire if the angle between the wire and the magnetic field lines is 45°.

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter19: Magnetism

Section: Chapter Questions

Problem 8P: An oxygen ion (O+) moves in the xy-plane with a speed of 2.50 103 m/s. If a constant magnetic field...

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A singly charged ion of mass m is accelerated from rest by a potential difference V. It is then deflected by a uniform magnetic field (perpendicular to the ions velocity) into a semicircle of radius R. Now a doubly charged ion of mass m' is accelerated through the same potential difference and dellected by the same magnetic field into a semicircle of radius R' = 2R. What is the ratio of the masses of the ions?
An oxygen ion (O+) moves in the xy-plane with a speed of 2.50 103 m/s. If a constant magnetic field is directed along the z-axis with a magnitude of 2.00 105 T, find (a) the magnitude of the magnetic force acting on the ion and (b) the magnitude of the ions acceleration.
(a) A cosmic ray proton moving toward the Earth at 5.00107m/s experiences a magnetic force of 1.701016N. What is the strength of the magnetic field it there is a 45° angle between it and the proton’s velocity? (b) Is the value obtained in part (a) consistent with the known strength of the Earth’s magnetic field on its surface? Discuss.
A 1.0-rn-long segment of wire lies along the x-axis and carries a current of 2.0 A in the positive x-direction. Around the sire Is the magnetic field of (3.0i4.0k)103T. Find the magnetic force on this segment.
(a) Aircraft sometimes acquire small static charges, Suppose a supersonic jet has a 0.500C charge and flies due west at a speed of 660.m/s over Earth’s south magnetic pole, where the 8.00105T -T magnetic field points straight down into the ground, What are the direction and the magnitude of the magnetic force on the plane? fb) Discuss whether the value obtained in part (a) implies this is a significant or negligible effect,
(a) What is the angle between a wire carrying an 8.00-A current and the 1.20-T field it is in if 50.0 cm of the wire experiences a magnetic force of 2.40 N? (b) What is the force on the wire if it is rotated to make an angle of 90° with the field?