What is the formula for magnetic moment?

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What is the formula for magnetic moment?

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M DHANUNJAYA 17th Oct, 2018

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Fazila Kazi 26th Nov, 2018

M’ = 2M/π (bar magnet)

Other formulae for magnetic moments:

(i) M = ni r 2

(ii) M = eVr/2 = er 2 ω/2 = er 2 2πf/2 = er 2 π/T

(iii) e/mJ

(iv) M = nω B

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