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Physics
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27 Nov 2019

How would the electric field be used in combination with Newton's laws to find the motion of charged particles in constant electric fields?

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Reid Wolff
Reid WolffLv2
3 May 2019
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Related textbook solutions

Physics: Principles with Applications
7th Edition, 2013
Giancoli
ISBN: 9780321625922

Related questions

By carefully adjusting the strength and direction of an electric and magnetic field, you can build a "velocity selector", a device that deflects all charged particles except those with a very specific velocity. Describe how you'd arrange those fields and how they're adjusted to select charged particles with the speed v.

How can the motion of a moving charged particle be used to distinguish between a magnetic field and an electric field? give specific example to justify.

In a mass spectrometer, a specific velocity can be selected from a distribution by injecting charged particles between a set of plates with a constant electric field between them and a magnetic field across them (perpendicular to the direction of particle travel). If the fields are tuned exactly right, only particles of a specific velocity will pass through this region undeflected. Consider such a velocity selector in a mass spectrometer with a 0.105 T magnetic field.

a) What electric field strength, in volts per meter, is needed to select a speed of 3.8 x 106 m/s?

b) What is the voltage, in kilovolts, between the plates if they are separated by 0.75 cm?

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