Q51. What cannot be used to locate a compass?
- Amagnetic north and south direction
- Bpolarity of magnet
- Cpower of magnet
- Ddirection of magnetic field
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Answer: C) power of magnet
Magnetism
53 MCQ questions with answers and explanations · page 3 of 3
Q52. Which one of the following statements regarding 'bar magnet' is correct?
- AThe pole strength of the north pole of a bar magnet is greater than that of its south pole.
- BWhen a bar magnet is cut perpendicular to its axis, its north and south poles get separated.
- CWhen a bar magnet is cut perpendicular to its axis, two new bar magnets are formed.
- DThe poles of a bar magnet are unequal in magnitude and opposite in nature
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Answer: C) When a bar magnet is cut perpendicular to its axis, two new bar magnets are formed.
Q53. Which of the following statements regarding magnetic field is not correct?
- AMagnetic field is a quantity that has direction and magnitude.
- BMagnetic field lines are closed curves
- CMagnetic field lines are open curves
- DNo two magnetic field lines cross each other
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Answer: C) Magnetic field lines are open curves