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NEED HELP PLEASE: Estimate the inductance L of a coil that is 12 cm long, made...

NEED HELP PLEASE: Estimate the inductance L of a coil that is 12 cm long, made of about 250
copper-wire turns and a diameter of about 0.75 cm. Re-estimate the inductance with an
iron core inserted in this coil. Show work and units. This question teaches you that,
as with the resistance and the capacitance, the inductance is also a GEOMETRICAL
property.

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