唔好老點人好wor作者: stig 時間: 2008-2-6 18:26
R = p X l / A
R : electrical resistance, ρ : resistivity of the material, l : length, A : cross sectional area
as cross sectional area increase -> resistance decrease作者: minimini 時間: 2008-2-6 18:36
I think 18 gauge is ok...... 作者: chacha 時間: 2008-2-6 19:52
#16 is ok