An uncharged body if kept in contact for some time with a charged body gets repelled. Why?

Explanation

To understand why an uncharged body gets repelled after being in contact with a charged body, we can break down the explanation into a series of logical steps:

### Step-by-Step Solution:

1. **Understanding Charge**:
- A charged body has an excess of either positive or negative charge. For this explanation, let’s consider the charged body to be positively charged.

2. **Contact Between Bodies**:
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