The wire was bent in half and plugged in. How has the resistance of the wire changed?
| November 13, 2020 | Education
The resistance has decreased by four times, since the length has decreased by half, and the cross-sectional area has doubled.
Remember: The process of learning a person lasts a lifetime. The value of the same knowledge for different people may be different, it is determined by their individual characteristics and needs. Therefore, knowledge is always needed at any age and position.