bar magnet of the magnetic moment 5 Am2 has poles 20 cm apart. Calculate the pole strength. a) 250 Am b) 4 Am c) 100 Am d) 25 Am
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bar magnet of the magnetic moment 5 Am2 has poles 20 cm apart. Calculate the pole strength.
a) 250 Am
b) 4 Am
c) 100 Am
d) 25 Am
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