Physics, 12.02.2021 09:10, mooncake9090
What causes an electromagnet to create a magnetic field?
A. The Earth's magnetic field.
B. The poles are attracted to each other.
C. The iron is wrapped with a coiled wire.
D. There is a current flowing through the wire.
Answers: 2
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In the united states, tornadoes generally occur because of the freezing of ocean water underwater earthquakes meeting of cool and warm air masses shifting of warm and cool ocean currents
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What causes an electromagnet to create a magnetic field?
A. The Earth's magnetic field.
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