Loading [MathJax]/jax/output/CommonHTML/jax.js
 

[๋Œ€ํ•™๋ฌผ๋ฆฌํ•™] ์ „์ž๊ธฐ ๊ด€๋ จ ํ•„์ˆ˜ ์•”๊ธฐ ๊ณต์‹

์ „์œ„ ๊ด€๋ จ ๊ณต์‹

ํ•˜๋‚˜์˜ ์ ์ „ํ•˜์— ์˜ํ•ด ์ƒ๊ธฐ๋Š” ์ „์œ„

V=14ฯ€ฯต0qr

 

์—ฌ๋Ÿฌ ์ ์ „ํ•˜์— ์˜ํ•ด ์ƒ๊ธฐ๋Š” ์ „์œ„

V=14ฯ€ฯต0โˆ‘ni=1qiri

 

์—ฐ์†์ ์ธ ์ „ํ•˜ ๋ถ„ํฌ

V=โˆซdV=14ฯ€ฯต0โˆซdqr

 

์ „๊ธฐ์žฅ๊ณผ ์ „์œ„

V=โˆ’โˆซโ†’Eโ‹…dโ†’s

 

Ex=โˆ’dVdx

 

๋ฉด์ „ํ•˜๋ฐ€๋„์™€ ์ „ํ•˜๋Ÿ‰

dq=ฯƒdA=2ฯ€ฯƒrdr