How can a body be charged by induction?

Explanation

### Step-by-Step Solution:

1. **Understanding Induction**:
- Induction is a method of charging a body without direct contact. This is different from conduction, where charging occurs through direct contact.

2. **Bringing a Charged Body Close**:
- To charge a body by induction, you need to bring a charged object (let's say it has a positive charge, +Q) close to an electrically neutral body (like a hollow sphere) without touching it.

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