Physics, 11.03.2021 16:00, jessicamendozacelis2

Zayra runs electric current through 38 coils of wire in a series circuit and measures a magnetic field strength of 79.3 µT around the coils. She then inserts a ferromagnetic core inside the coils to create an electromagnet and measures the magnetic field strength again. Which of the following answers would be a correct measurement

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Zayra runs electric current through 38 coils of wire in a series circuit and measures a magnetic fie...