# Magnetic field stored in an inductor?

1. Oct 1, 2005

### pivoxa15

Does anyone know how a magnetic field stored in an inductor (like a solenoid) can be used to light a globe (when connected via a circuit)?

I assume there must be a changing magnetic flux caused by a change in magnetic field in the inductor so as to induce an electric field causing a potential difference between the ends of the inductor. But I do not know how a change in the magnetic field can be established. Does the magnetic field automatically change just like how a capcitor automatically discharges when connected? If so I do not know the why behind it.

Thanks

Last edited: Oct 1, 2005

Can you offer guidance or do you also need help?
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