An accelerator produces a beam of protons with a circular cross section that is 2.3 mm in diameter and has a current of 0.8 mA. The current density is uniformly distributed throughout the beam. The kinetic energy of each proton is 20 MeV. The beam strikes a metal target and is absorbed by the target. 1) What is the number density of the protons in the beam? -3 m Submit You currently have 0 submissions for this question. Only 10 submission are allowed. You can make 10 more submissions for this question. 2) How many protons strike the target in each minute? Submit You currently have 1 submissions for this question. Only 10 submission are allowed. You can make 9 more submissions for this question. 3) What is the magnitude of the current density in this beam? KA/m² Submit You currently have 1 submissions for this question. Only 10 submission are allowed. You can make 9 more submissions for this question. +

An accelerator produces a beam of protons with a circular cross section that is 2.3 mm in diameter and has a current of 0.8 mA. The current density is uniformly distributed throughout the beam. The kinetic energy of each proton is 20 MeV. The beam strikes a metal target and is absorbed by the target. 1) What is the number density of the protons in the beam? -3 m Submit You currently have 0 submissions for this question. Only 10 submission are allowed. You can make 10 more submissions for this question. 2) How many protons strike the target in each minute? Submit You currently have 1 submissions for this question. Only 10 submission are allowed. You can make 9 more submissions for this question. 3) What is the magnitude of the current density in this beam? KA/m² Submit You currently have 1 submissions for this question. Only 10 submission are allowed. You can make 9 more submissions for this question. +

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)...

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Concept explainers

Microscopic view of current

In physics, the term current is expressed as the rate of flow of electric charges across the area per unit time (I=q/t). It propagates along in the direction of the motion of positive charges. When the current is caused by the motion of electrons, the direction of the current is opposite to the flow.

Question

An accelerator produces a beam of protons with a circular cross section that is 2.3 mm in diameter and has a current of
0.8 mA. The current density is uniformly distributed throughout the beam. The kinetic energy of each proton is 20 MeV.
The beam strikes a metal target and is absorbed by the target.
1) What is the number density of the protons in the beam?
n-3
m Submit
You currently have 0 submissions for this question. Only 10 submission are allowed.
You can make 10 more submissions for this question.
2) How many protons strike the target in each minute?
Submit
You currently have 1 submissions for this question. Only 10 submission are allowed.
You can make 9 more submissions for this question.
3) What is the magnitude of the current density in this beam?
kA/m² Submit
You currently have 1 submissions for this question. Only 10 submission are allowed.
You can make 9 more submissions for this question.

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