Question

PVC rod is rubbed with a silk cloth and hanged, another PVC rod rubbed with

the same process and brought closer to the suspended rod.

(2) A glass rod is rubbed with silk and brought near the charged PVC rod .

(3) Repeat the activity by bringing a charged glass rod near another suspended

charged glass rod.

Based on the above activity and your observations, answers the following

questions:

1. What will happen in (1) if the two rods are brought closer to each other?

2. What will happen in (2) if the two rods are brought closer to each other?

3. What will happen in (3) if the two rods are brought closer to each other?

4. What will be the nature of charges on different rods in (1)?

5. What will be the nature of charges on different rods in (2)?

6. What will be the nature of charges on different rods in (3)?
Please answer
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Answer 1

Answer:

When you rub the plastic rod (polyethylene terephthalate, glycol modified, or PETG) with the wool cloth, the rod charges negative. When you rub the glass rod with the silk, the rod charges positive. If you place a charged rod on one of the swivel stands, and then bring another charged rod close to it, you can show electrostatic repulsion (similarly charged rods) or electrostatic attraction (oppositely charged rods).

Explanation: