Question

a bar magnet of a geomatric length 12 cm has a magnetic momentum of magnitude 3 A-m²determine it's pole strength​

Answer 1

Answer:

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Answer 2

Answer:

magnetic length= 5/6 geometric length

mag length= 5/6 * 12 = 10cm= 0.1m

M= m* 2l

3= m* 0.1

m= 30A-m

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