A physicist performing a sensitive measurement wants to limit the magnetic force on amoving charge in her equipment to less than 1.00 x 10–12 N. What is the greatest the chargecan be if it moves at a maximum speed of 30.0 m/s in Earth's field?

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A physicist performing a sensitive measurement wants to limit the magnetic force on a moving charge in her equipment to less than 1.00 × 10–12 N. What is the greatest the charge can be if it moves at a maximum speed of 30.0 m/s in Earth's field?

A physicist performing a sensitive measurement wants to limit the magnetic force on a moving charge in her equipment to less than 1.00 × 10–12 N. What is the greatest the charge can be if it moves at a maximum speed of 30.0 m/s in Earth's field?

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter11: Magnetic Forces And Fields

Section: Chapter Questions

Problem 23P: An electron moving at 4.00103 m/s in a 1.25-T magnetic field experiences a magnetic force of...

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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.

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A physicist performing a sensitive measurement wants to limit the magnetic force on a
moving charge in her equipment to less than 1.00 x 10–12 N. What is the greatest the charge
can be if it moves at a maximum speed of 30.0 m/s in Earth's field?

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