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Magnetic Field - Questions and Answers

Practice questions on Magnetic Field.

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11. A line of force in a magnetic field
A. is a line joining the poles
B. is a path along which an isolated charge moves
C. is a path along which a short bar magnet moves
D. is a path along which an isolated north pole moves
Explanation:
12. The unit of pole strength is
A. Am
B. A/m
C. Wbm
D. Wb/m
Explanation:
13. The unit of intensity of magnetic field is
A. weber/metre2
B. weber/metre
C. ampere-metre2
D. ampere /metre
Explanation:
14. Force between two identical magnets is proportional to
A. m/d
B. m2/d
C. m/d2
D. m2/d2
Explanation:
15. The direction of magnetic field is the direction along which
A. a tiny bar magnet moves
B. an isolated south pole moves
C. an isolated north pole moves
D. a unit positive charge moves
Explanation:
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