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Type: Multiple-Choice
Category: Magnetism and Electricity
Level: Grade 5
Score: 2
Author: Panyarta
Last Modified: 20 days ago

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Magnetism and Electricity Question

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Grade 5 Magnetism and Electricity

What is true about electromagnets?
  1. they are permanent
  2. they don't need a battery
  3. increasing the number of coils makes the stronger
  4. increasing the battery makes it weaker
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