These effects are derived from two fundamental observations of physics: a steady current creates a steady magnetic field described by Oersted's law, and a time-varying magnetic field induces an electromotive force in nearby conductors, which is described by Faraday's law of induction.
Butter & salt. Preheat the oven to 400 degrees. Husk the corn, wrap each ear in foil, adding 2 teaspoons of butter to each packet. Bake for about 25 minutes or roast the foil-wrapped corn over hot coals turning once during the cooking. Serve with more butter and salt.
Full Answer. 1  Prepare the ears of corn Do not remove the husks or silks from the ears of corn. 2  Cook the ears of corn Place the corn in the microwave, and cook on high for approximately two to four minutes per ear, depending upon the wattage of the oven.