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Boojho made an electromagnet by winding \(50\) turns of wire over an iron screw. Paheli also made an electromagnet by winding \(100\) turns over a similar iron screw. Which electro magnet will attract more pins? Give reason.
Since Paheli’s electromagnet has \(100\) turns, it will more pins. The reason for the effect is that the of an electromagnet increases by increasing the in the coil.
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