Demagnetization is the process of removing the magnetic field from an object. Which one of the following processes cannot destroy the magnetic properties of a magnet?
ڈیمگنیٹائزیشن کسی شے سے مقناطیسی فیلڈ کو ہٹانے کا عمل ہے۔ مندرجہ ذیل میں سے کون سا عمل مقناطیس کی مقناطیسی خصوصیات کو ختم نہیں کرسکتا؟
Answer: Boiling
Explanation
Boiling a magnet (especially in water) does not generate enough heat to affect its magnetic properties.
In contrast, hammering, heating, or dropping disturb the alignment of magnetic domains, leading to demagnetization.
This question appeared in
Past Papers (5 times)
ETEA 25 Years Past Papers Subject Wise (Solved) (2 times)
ETEA Past Papers (1 times)
KPK Teacher Past Papers SST PST CT TT PET (2 times)
This question appeared in
Subjects (1 times)
EVERYDAY SCIENCE (1 times)
Related MCQs
- What is the direction of the magnetic field lines inside a bar magnet?
- Current flowing in a conducter will set up a magnetic field around the conductor. The strength of the magnetic field determined by?
- When magnetic field and area vector are perpendicular then magnetic flux will be ______?
- The metal ions of transition metals are paramagnetic. The magnetic moment towards magnetic field is greatest of?
- A positive change moving with a constant velocity v enters a region of a uniform magnetic field pointing out the page. What is the direction of the magnetic force on the charge?
- What will be the direction of the magnetic field around it?
- Force due to magnetic field and velocity is?
- Which of the following has only one orientation in space in the magnetic field?
- The presence of a magnetic field can be detected by _______?
- Which one of the following statement is not correct regarding electric and magnetic field?