Define the following terms.
Length of a bar magnet

Explanation

**Step-by-Step Text Solution:**

1. **Understanding the Term**: The term we need to define is the "length of a bar magnet," which is also referred to as the "magnetic length."

2. **Definition**: The length of a bar magnet is defined as the total distance between its two poles, which are the North Pole and the South Pole.

3. **Visualizing the Magnet**: Imagine a bar magnet. It has a North Pole on one end and a South Pole on the other end. The center point of the magnet is located exactly in the middle.

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