What is the best method of demagnetizing a steel bar magnet?
A.
Hammering
B.
Heating it
C.
Rough handling it
D.
Solenoid method
Correct Answer: Option D
Explanation
Solenoid method: This involves placing the magnet inside a solenoid (an electromagnet) and gradually reducing the current. It provides a controlled environment for effective demagnetization.
Contributions ({{ comment_count }})
Please wait...
Modal title
Report
Block User
{{ feedback_modal_data.title }}