Which of the following statements are true? check all that apply. a. atoms are always moving. b. the faster atoms are moving, the less kinetic energy they have. c. an atom is always found in the exact same position. d. atoms have kinetic energy.

The magnitude of the magnetic field at a certain distance from a long, straight conductor is represented by b. what is the magnitude of the magnetic field at twice the distance from the conductor? a. at twice the distance, the magnitude of the field is 4b.b. at twice the distance, the magnitude of the field is 2b.c. at twice the distance, the magnitude of the field is b/2.d. at twice the distance, the magnitude of the field is b/4.e. at twice the distance, the magnitude of the field remains equal to b.