Pr1. The figure shows the cros-section of a long, straight, cylindricalcoil (solenoid) of radius r = 10 cm. The number of turns per unit length isn = 500 m-1. A direct current I = 1,0 A flows clockwise in the solenoid.A charged particle accelerated by a voltage 1000 V enters into the solenoidthrough a gap between the coils at point A. The velocity of the particleat point A is pointing along the radius. The particle is traveling insidethe solenoid in a plane perpendicular to its axis and exits at point C atan angle a = 60° to its initial direction.60Aa) Determine the sign of the charge of the particle.b) What is the radius of the particle's trajectory?c) Find the charge-to-mass (Q/m) ratio of the particle.(The magnetic permeability of vacuum is µo = 4n · 10-7 Vs/Am.)

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Determine the sign of the charge of the particle.

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter11: Magnetic Forces And Fields

Section: Chapter Questions

Problem 72AP: A particle moving downward at a speed of 6.0106 m/s enters a uniform magnetic field that is...

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Concept explainers

Magnetic Field Of Coaxial Cable

The word coaxial means same axis. So for a long straight cable to be coaxial, it must have concentric cylindrical shaped conductor around it. Coaxial cable (popularly called ‘coax’) has various applications ranging from current conductors to radiofrequency signal transmitters. This cable has lower emission losses and provides protection from electromagnetic interference which allows signals with less power to transmit over longer distances.For example, currents produced in the pickup of a stereo turntable generally travel to the amplifier through a coaxial cable.The self-inductance of a coaxial cable is another important characteristic, because it influences the propagation of electrical signals in the cable.

Question

Pr1. The figure shows the cros-section of a long, straight, cylindrical
coil (solenoid) of radius r = 10 cm. The number of turns per unit length is
n = 500 m-1. A direct current I = 1,0 A flows clockwise in the solenoid.
A charged particle accelerated by a voltage 1000 V enters into the solenoid
through a gap between the coils at point A. The velocity of the particle
at point A is pointing along the radius. The particle is traveling inside
the solenoid in a plane perpendicular to its axis and exits at point C at
an angle a = 60° to its initial direction.
60
A
a) Determine the sign of the charge of the particle.
b) What is the radius of the particle's trajectory?
c) Find the charge-to-mass (Q/m) ratio of the particle.
(The magnetic permeability of vacuum is µo = 4n · 10-7 Vs/Am.)

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