mohamedalyteen6 mohamedalyteen6

15-04-2018
Physics

contestada

An electromagnet is created using a battery, an insulated copper wire and an iron nail. The wire is wrapped around the nail 20 times and attached to the battery. Which pair of changes will definitely increase the strength of the electromagnet?

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jelkhechen86 jelkhechen86

15-04-2018

i think adding more loops would strengthen it

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