What is matter made of ?

Which configuration would produce an electric current? a) rotate a coil of copper wire between two magnets. b) connect a wire between a copper and zinc strip sitting in a beaker of water. c) connect a wire to the (+) positive end of a battery and the other end to a light bulb. d) connect a wire to the negative end of a battery and the other end to a light bulb.

When the magnetic domains in a material can be aligned, but eventually drift out of alignment, the material is

Energy flows from the producer level to the level. is called