Question

The strength of a magnet is ______ in the middle and ____ at its ends.

• A. weakest, weakest
• B. strongest, strongest
• C. weakest, strongest
• D. strongest, weakest

Answer 1

Answer: (C)

weakest, strongest

The strength of a magnet is weaker in the middle and stronger at its ends. Lines of force are three-dimensional, surrounding a bar magnet on all sides. Like poles repel and unlike poles attract. When opposite poles of a magnet are brought together, the lines of force join up and the magnets pull together. When like poles of a magnet are brought together, the lines of force push away from each other and the magnets repel each other. This attraction and repulsion takes place at the poles (ends) of a bar magnet.