An electron which is a charged particle in motion has a magnetic moment. Why a neutron is having a magnetic moment though there is no charge on it.

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Solution

Yes, it is true that neutrons are neutral(carrying no charge). But, the neutron is composed of one up quark (charge +2/3 e) and two down quarks (charge −1/3 e). So, magnetic moment of the neutron is due to the sum of the magnetic moment of constituent quarks.

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