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6. The relationship between the magnetic induction B and the intensity of magnetic field H is
A. µ0 = H/B
B. B = µ0 H
C. H = µ0 B
D. µ0 = HB
Explanation:
7. The distance between the poles of a magnet is called
A. magnetic axis
B. magnetic moments
C. length of the magnet
D. magnetic length
Explanation:
8. The unit of permeability is
A. H
B. Hm
C. H/m
D. Wb
Explanation:
9. ’µ’ indicates the property of
A. a dielectric
B. a conductor
C. a magnetic material
D. an insulator
Explanation:
10. The force experienced by a magnet of pole strength m in a uniform magnetic field of strength H is
A. mH
B. m/H
C. H/m
D. mWb
Explanation:
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