# Electric Pressure Fomula

1. Dec 1, 2012

Hi, I saw a formula in a book in which I have confusion. Can anyone please suggest me any ref. The formula is as

Electric Pressure = 1/2 ε0E2

Where ε0 is electric permittivity of free space and E is the electric field.

2. Dec 3, 2012

### sankalpmittal

Does this help ? :

http://physics.wustl.edu/classes/SP2012/212/lectures/SP11-212-c32.pdf [Broken]
http://www.ss.ncu.edu.tw/~lyu/lectu...ormat_pdf_html/pdf_1_Ch/lyu_SPP_Chapter_1.pdf

Last edited by a moderator: May 6, 2017