What could prevent a planet from possessing magnets/electricity?

Without changing a planet from being habitable for humans and keeping a similar ecosystem why could intelligent races never access electricity?

1. What systems need to be erased from the planet to not create any magnets? (I want to keep metals though) Because as far as I know without magnets you cannot manually create electricity.

So what I need is way to stop natural magnets from forming while still keeping the physics and chemistry of the universe the same. While at the same time enabling the people to live the same way or similar to the way humans lived in the medieval age and renaissance. (Yes keep the earths magnetic field)

If this is not possible what effects would these changes cause to the formation of human society. (Please don't blast my world with all the radiation the sun sent at them)

Also people should retain the ability to advance in other fields of technology.

posted almost 6 years ago

Soan‭

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