If you are handed a battery and a piece of wire, how could you distinguish between the north and south poles of a large unlabeled permanent magnet? - Quora
![How could you use a labeled magnet to identify the north and south poles of a unlabeled magnet? - Quora How could you use a labeled magnet to identify the north and south poles of a unlabeled magnet? - Quora](https://qph.cf2.quoracdn.net/main-qimg-2bce85a94793ef803f3c1f4d2489510d.webp)
How could you use a labeled magnet to identify the north and south poles of a unlabeled magnet? - Quora
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Amazon.com: CMS Magnetics - Magnetic Pole Detector, a Handy Polarity Identifier to Determine Magnet's North or South Poles, Great for School Teachers, Science Projects, and Metal Detector : Industrial & Scientific
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HOJILA Magnetic Polarity Tester Magnet Pole Detector Magnets North and South Poles Tester: Amazon.com: Tools & Home Improvement
![A rectangular coil ABCD having a battery connected between its ends A and D is placed in between the pole pieces of a horseshoe magnet as shown. What is the direction of A rectangular coil ABCD having a battery connected between its ends A and D is placed in between the pole pieces of a horseshoe magnet as shown. What is the direction of](https://s3-us-west-2.amazonaws.com/infinitestudent-images/ckeditor_assets/pictures/270238/content_817455.png)