What kind of charge is attained by a plastie rod when it is rubbed with wool ?

Explanation

To determine the kind of charge attained by a plastic rod when it is rubbed with wool, we can follow these steps:

### Step 1: Understand the Process of Charging by Rubbing
When two different materials are rubbed together, they can transfer electrons from one material to another. This process is known as triboelectric charging.

**Hint:** Remember that materials have different tendencies to gain or lose electrons, which is related to their electron affinity.

### Step 2: Identify the Materials Involved
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