14 Two identical positively charged pith balls are brought up to touch one another, and then moved apart to their original distance Initially the first pith ball A carried twice
as much charge as the second pith bali B When they have separated both pith balls
each carry a charge of +6 nC. What was the original charge on the pith balls?
Pith ball A
Pith ball B
A
12
0
B
8
4
6
6
3
3
A positively charged plastic rod is placed above a thick metal plate The metal plate is
connected to the earth by a wire The metal plate rests on an insulator
posiilve ro]
metal plate
annihing wire
insulalor
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