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Electromagnets


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IGCSE Physics Lessons
Math Worksheets


A series of free GCSE/IGCSE Physics Notes and Lessons.

Electromagnets
Describe how a current flowing through a wire generates a magnetic field.
Explain how a solenoid can increase the magnetic effect of a current.
Draw a magnetic field pattern for a straight wire carrying a current and for a solenoid.



Interpret diagrams of electromagnetic devices to explain how they work: Relay, doorbell.

Try the free Mathway calculator and problem solver below to practice various math topics. Try the given examples, or type in your own problem and check your answer with the step-by-step explanations.
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