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You are given a magnetised bar and a com...

You are given a magnetised bar and a compass needle. How will you mark polartiy at the ends of the bar ?

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To determine the polarity at the ends of a magnetized bar using a compass needle, follow these steps: ### Step-by-Step Solution: 1. **Gather Materials**: Ensure you have a magnetized bar and a compass needle ready for the experiment. 2. **Identify Compass Orientation**: Place the compass on a flat surface and allow it to settle. Observe the direction the compass needle points. The end of the needle that points towards the geographic north is the north pole of the compass. ...
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