Question

a pith-ball electroscope consists of

1. a heavy material ball
2. a box of wood
3.a soft material ball
4.a stone ​

Answer 1

Answer:

soft material ball

Explanation:

a pith ball is consist of one or two small balls of lightweight nonconductive substance , originally a spongy plant material called pith..

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Answer 2

Answer:

3. A soft material ball

Explanation:

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