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1. A coil with an air core measures 2” in length with 300 turns of 1⁄2”...

1. A coil with an air core measures 2” in length with 300 turns of 1⁄2” diameter. Find the inductancewith the air core and compare it to the inductance with metallic core inserted. The metallic core has a relative permeability of 1500.

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