The currents in conducting wires are different from the motion of electrons in vacuum due to worm . vacuum cleaning . collisions with crystal lattice . surface charges In a current-carrying wire, which mechanical property of electrons is proportional to the electric field? 1 Point + AV + 2AV + AV + AV drift velocity average acceleration D . D - D - D mass spring constant D DThe density of free electrons in metals is . large, because they all concentrate on . small, because very few atoms metals contribute them . large, because each atom contributes . small, because they are free to spread one out over the whole metal The current does not change between cross-sections in wires, because 1 Point . they need stability . they would charge otherwise . currents are measured in Amps . of the Ohm's Law