Single Answer MCQ
Q-00019579
What is the role of field lines in representing magnetic fields?
1
They show the direction of magnetic force only
2
They visualize the strength and direction of the field
3
They indicate the speed of magnetic waves
4
They are used for measuring electrical current
Answer and Solution
Answer
B. They visualize the strength and direction of the field
Solution:
Field lines are used to visualize both the strength and direction of a magnetic field, providing a clear picture of how magnetic forces operate. Other options do not correctly survey the role of field lines.
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