Single Answer MCQ
Q-00040497
Which of the following best describes the strength of a magnetic field?
1
The number of compass needles
2
The density of field lines
3
The length of the magnet
4
The size of the magnet
Answer and Solution
Answer
B. The density of field lines
Solution:
The strength of a magnetic field is represented by the density of the field lines; closer lines indicate a stronger field. The other options do not relate to field strength.
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