A permanent magnet in the shape of a thin cylinder of length 10cm has M=10 power6 A/M .calculate magnetization current?
Answer (1)
Student Expert
23rd Jul, 2019
dear student,
According to the problem , M ( intensity of magnetisation ) = 10^6 A / m
l ( length ) = 10 cm = 10 × 10^-2 = 0.1 m
i(m) = magnetisation current
By applying simple formulae => M = i(m)/ l
hence, i(m) = M × l
magnetisation current =10^6 × 0.1 = 10^5 A .
hope this helps.
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