[Solved] An alternately expanding and contracting magnetic field is produced by A)a stationary magnet. B)a steady current flowing in a wire. C)a battery. D)none of the above Exotic Becomes Erotic: A theory suggesting that unfamiliar, or non-normative, childhood influences lead to adult sexual preferences. Sexual Attraction: The feeling of being drawn to or desiring a romantic or sexual relationship with someone. Daryl Bem: A psychologist known for his work on the theory of psychological androgyny, the self-perception theory, and the exotic becomes erotic theory regarding sexual orientation development. Erotic Plasticity: The degree to which an individual's sex drive and sexual preferences can be shaped by cultural, social, and situational factors.