The work required to movea unit of electricity from A to B is the (negative) workrequired to move it from A to an infinite distance plusthe work required to move it from an infinite distance, J THE ELECTROSTATIC FIELD. 33 back to B, that is, (7 + d V) - V. But the work is alsoFds, ... Fds… … Fig. 15. of electricity enclosed and if N be the component of theintensity at any element of surface, ds, resolved normallyto ds and outward; then the ff Nds taken over thewhole surface is ^-Q. That is, there will emanate ^Qlines of force from that surface (§ 16). To prove this theorem, consider…
Electronics · Electricity
Internet Archive · Public Domain Mark 1.0. Free to use for anything.
![An illustration from [Electric engineering.] (1902)](https://img.insideoutlibrary.com/img/200/ia-electricengineer01inte-170-70.webp)
