Day: August 25, 2025

Every day of the year, 24 hours a day, Knox Area Rescue Ministries provides for our area’s homeless, hungry and hurting neighbors–first supplying rescue services of food and shelter; then providing healthy, supportive relationships; and, ultimately, restoration.

You might also consider using sources such as radio and television broadcasts, interactive talks, and recorded public meetings. Though we often go online to find this sort of information today, libraries and archives offer a wealth of nondigitized media or media that is not available online.

2. 左手定则：伸开左手，使拇指与其余四个手指垂直，并且都与手掌在同一平面内；让磁感线从掌心进入，使四指指向电流方向；拇指所指方向就是通电导线在磁场中所受安培力方向，左手定则经常被用来判断磁场对运动电荷、电流有作用力，下图为两通电导体相互作用力情况。