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Bhaskar took a bar magnet and moved it l...

Bhaskar took a bar magnet and moved it lengthwise along a bar of iron many times. He then brought a few iron pin close to the iron bar. What would have happened and why?

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**Step-by-Step Solution:** 1. **Understanding the Initial Setup**: Bhaskar has a bar magnet and an iron bar. The bar magnet has a North Pole and a South Pole. 2. **Moving the Magnet**: Bhaskar moves the bar magnet along the length of the iron bar multiple times. This action is known as "stroking" the iron bar with the magnet. 3. **Magnetization of the Iron Bar**: By rubbing the bar magnet along the iron bar, the iron bar becomes magnetized. This means that the iron bar starts to exhibit magnetic properties due to the influence of the bar magnet. ...
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