Physics-(general)
NEET Physics (general) MCQ Question
Type: MCQ-conceptual-Easy-Class 12
Which of the following methods can be used to create a permanent magnet using a ferromagnetic rod?
A
Place the rod in a solenoid and pass a current.
B
Hold the rod in the east-west direction and hammer it.
C
Stroke the rod with a bar magnet in alternate directions.
D
Place the rod in a solenoid and disconnect the power supply.
Correct Answer
Option A
Detailed Explanation
According to the NCERT context, placing a ferromagnetic rod in a solenoid and passing a current is an efficient method to make a permanent magnet.
Found an issue with this question?