Which of the follow has no effect on the strength of the magnetic field around a current-carrying coil of wire? a. the number of turns of a wire in the coil b. the thickness of the wire c. current flowing through the coil d. the material of the core placed in the coil

Anonzero net force acts on a particle and does work. which one of the following statements is true? the kinetic energy of the particle changes, but the speed of the particle does not change. the kinetic energy of the particle does not change, but the speed of the particle does change. the kinetic energy of the particle changes, but the velocity of the particle does not change. the kinetic energy and the speed of the particle change, but the velocity of the particle does not change. the kinetic energy, speed, and velocity of the particle change.