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Unit2.Electriccharge
Gold-leafelectroscopeoperation
17
1.APerspexrod---
2.Thepositivelychargedrod---
3.Thechargeontheplate----
4.Thereforethemetalrodandtheleaf----
5.Theleafrisesbecausepositivechargesontheleaf----
appearonit.
electroscope.
positivechargesontherod.
thepositivelychargedrod.Asaresulttherearemorepositivechargesonthe
lowerpartoftherod.
---
---
-(rub)withawoolenclothandpositivecharges
---
---
---(separate).Theelectronsmovetowards
---(bring)nearthetopplateofgold-leaf
---
---(charge)positively.
---
---(repel)bythe
Fig.2.3.Goldleafelectroscopeoperation
