4/29/11 1 Physics 1224/29/11 2 Physics 1224/29/11 5 Physics 1224/29/11 6 Physics 1224/29/11 10 Physics 1224/29/11 11 Physics 1224/29/11 13 Physics 122 0 – – – – – – – + + + + + + + V E4/29/11 14 Physics 122 0 – – – – – – – + + + + + + + V E4/29/11 17 Physics 122 ΔV = EΔx = EdE = 4πkCσ= 4πkCQA⇒ Q =A4πkC⎛⎝⎜⎞⎠⎟EQ =A4πkCd⎛⎝⎜⎞⎠⎟ΔVVCQ Δ=What does this “Q” stand for? 4kc is often written as “1/0”4/29/11 20 Physics 1224/29/11 21 Physics 122 V – – – – – – – + + + + + + + 0 E – – – – – – – + + + + + + +4/29/11 22 Physics 122 C =14πkCAd'4/29/11 23 Physics 122 – – – – – – – + + + + + + + 0 E – – – – + + + + there werematerial no ifmaterial inside1EEκ=4/29/11 24 Physics 122 – – – – – – – + + + + + + + 0 – – – – + + + + dACQAdEdVAQEE00001εκκεκεεσκ=⎟⎟⎠⎞⎜⎜⎝⎛==Δ==4/29/11 25 Physics 122 C
View Full Document