A beam of high-energy protonsemerges from a cyclotron. Is there a magnetic field

ID: 1674971 • Letter: A

Question

A beam of high-energy protonsemerges

from a cyclotron.

Is there a magnetic fieldassociated with

these particles? Why or whynot?

1. There is no magnetic field associated with

these protons because there isan electric field

around them.

2. There is a magnetic field associated with

these protons because they arepositively

charged and inmotion.

3. There is a magnetic field associated with

these protons because they havevery high

energy.

4. There is no magnetic field associated

with these protons because theyhave a posi-

tive charge.

Hope this helps.

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