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What determines the polarity at the ends of an electromagnet? The
Question 1
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What determines the polarity at the ends of an electromagnet? The
magnitude of the current passing through the wire
material of the core of the magnet
material of the coil
direction of current in the wire
Answer Details
Read lesson note on Electric Field (WAEC)
Read lesson note on Magnetic Field (Part 1) (WAEC)
Electric Field
Magnetic Field (Part 1)
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