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13-05-2022
Physics

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11. Which of these is a way to make an electromagnet stronger?
a putting a switch in the electrical circuit
b replacing the iron core with a copper core
© replacing the copper wire with plastic wire
wrapping the wire around the iron core more times

Respuesta :

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13-05-2022

Answer:

wrapping around the wire around iron core several times

Explanation:

adding more turns to the coil. increasing the current flowing through the coil.

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