# EMF Formula

by Goldenwind
Tags: formula
 P: 146 I'm trying to deal a problem using this formula, but I'm unclear as to what dl represents (Or if it is the same as dx in most integrals, then in that case I don't know what the lowercase L is) $${\cal{E}} = \int_{a}^{b} \vec{E} \cdot \vec{dl}$$