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primary 6 | Science
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Maia Goh
Maia Goh

primary 6 chevron_right Science

what's the answer

Date Posted: 6 years ago
Views: 1131
Flaren
Flaren
6 years ago
wait I try to recap the answer

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Christmas MT
Christmas Mt's answer
2903 answers (A Helpful Person)
Concept of electromagnet is used here. When the iron rod is coiled, and current flows through the coil, the iron rod becomes magnetised and can attract metal bar P.