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  • It is established that an electric current through a metallic conductor produces a magnetic field around it. Is there a similar magnetic field produced around a thin beam of moving (i) alpha particles, (ii) neutrons? Justify your answer.

It is established that an electric current through a metallic conductor produces a magnetic field around it. Is there a similar magnetic field produced around a thin beam of moving (i) alpha particles, (ii) neutrons? Justify your answer.

Answers (1)

Solution:

(i) A current-carrying wire can be treated as the motion of positive charge particles along the wire in the direction of current.
Therefore we can say that any moving charged particles or beam can be considered as current-carrying wire.
Alpha particle is a positively charged particle and have charge equal to 2 protons.
Its beam can be considered as a current-carrying wire. Therefore, it will cause a magnetic field around it.
(ii) Neutron is uncharged neutral particle, hence the magnetic field will not be created because of the beam of neutron.

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