. Practical physics. mag:netic effects of the current 255 be determined as follows: If the right hand is placed ac/ainstthe coil with the thumb p)ointing in the direction of the lines of force (that is, toward the north pole .—-v:::::::;:::-^^-,. of the helix), the fingers loill passaround the coil in the direction intvhich the cur rent is 258. The bar electro-mairnet

---

Size: 1895px × 1319px
Photo credit: © The Reading Room / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: ., bookcentury1900, bookdecade1920, booksubjectphysics, bookyear1922