Which one among the following correctly defines a unit magnetic pole in SI units ? It is the pole which when placed in air at a distance of

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Q: 17 (CDS-I/2012)
Which one among the following correctly defines a unit magnetic pole in SI units ? It is the pole which when placed in air at a distance of—
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question_subject: 

Science

question_exam: 

CDS-I

stats: 

0,13,27,9,13,9,9

keywords: 

{'magnetic pole': [0, 0, 0, 1], 'si units': [0, 0, 0, 1], 'pole': [0, 0, 1, 5], 'similar pole': [0, 0, 0, 1], 'metre': [0, 3, 4, 3], 'unit': [0, 1, 5, 10], 'cm': [2, 0, 7, 20], 'm2': [0, 1, 0, 6], 'force': [0, 0, 0, 2]}