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Which statement about field-line spacing is correct?

Question
Which statement about field-line spacing is correct?
Closer field lines indicate a stronger magnetic field
Wider spacing always means a stronger field
Spacing has no relation to field strength
Intersecting lines indicate the strongest field
Answer
Closer field lines indicate a stronger magnetic field
Detailed Explanation
The chapter uses the closeness or crowding of field lines to represent relative magnetic-field strength. — Examisthan.com
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