**Here are 10 examples of using the word «polarity» in English:**
1. The polarity of the magnet attracted the metal pieces to it.
2. The polarity of a battery determines which direction current flows.
3. The polarity of public opinion on the issue has shifted in the last few years.
4. Scientists are studying the polarity of the magnetic field around a black hole.
5. The polarity of an argument can change depending on who is involved.
6. The polarity of a capacitor is important for its proper functioning.
7. The polarity of emotions can be difficult to control in stressful situations.
8. The polarity of a chemical reaction can be affected by temperature and pressure.
9. The polarity of a wave can be measured by its amplitude and frequency.
10. The polarity of a relationship can change over time, leading to conflict or reconciliation.