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Answers
Answer:
1. In a magnet, the regions of strongest magnetism is near the poles.
Ans- True, the magnetic field of a magnet is strongest at the poles: North Pole and South Pole.
2. If a bar magnet is cut in two pieces, then one place will have only the north pole and the other will have only the south pole.
Ans- False, even if a bar magnet is cut into two pieces, it will have both its ends, that we call poles, know as the north pole and the south pole.
3. A magnetic north pole attracts another north pole.
Ans- False, a magnetic north pole will always attract a magnetic south pole and vice-versa.
4. Magnetic lines of force are straight lines.
Ans- False, magnetic lines of force are circular, and not straight.
5. Electromagnets are temporary magnets.
Ans- True, electromagnets are made temporarily magnetic by winding a coil of insulated wire around it.
6. Magnets are used in the closing mechanism of refrigerator doors.
Ans- True, the closing mechanism of refrigerator doors is another use of magnets.
7. Whenever a magnet is not in use, it should be stored along with other magnets.
Ans- If a magnet is kept close to other magnets, it may get demagnetized easily, so it's not appropriate to store a magnet along with other magnets.