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How can an electric current cause a magnetic field

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Reference no: EM131887411

During a lightning storm, it is safest to stand in the middle of a field, rather than taking shelter under a tree. Many deaths caused by lightning relate to this. Why is this the case?

How can an electric current cause a magnetic field? Describe how some common device that uses this principle to accomplish something useful.

Using general terms, explain how a DC motor works?

How does a transformer work? What does it do to an electrical current?

Reference no: EM131887411

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