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.
Comments. 1  20. P.S. The best way to butter your corn on the cob is to put butter on a piece of bread or a hot dog bun and roll that corn around on it. 2  19. I love the way the silks just slide right off when you cook the corn in the oven.