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The geometrical length of a bar magnet having half magnetic length 5 centimetre is

Anshu Chaurasiya , 6 Years ago
Grade 11
anser 2 Answers
Arun
The magnetic length of a bar magnet is nearly 0.84 times that of the geometric length(Physical length).
 
In question, magnetic length will be = 2*5 = 10 cm.
Hence 
Magnetic length = 0.84 * geometric length
Geometric length = 10/0.84 = 11.905 cm
Last Activity: 6 Years ago
Khimraj
Geometric length: Geometric length is the measure of total length of magnet. A bar magnet consist of two equal and opposite magnetic pole separated by a small distance. Poles are not exactly at the ends. The shortest distance between two poles is called effective length and is less than its geometric length.
Magnetic length = 0.84 * geometric length
Geometric length = 2*5/0.84 = 11.905 cm
Last Activity: 6 Years ago
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