15. Which of the following is true about the net force on an uncharged conducting sphere in a uniform electric field?
(A) It is zero. (B) It is in the direction of the field. (C) It is in the direction opposite to the field.
(D) It causes the sphere to oscillate about an equilibrium position.
(A) It is zero.
(B) It is in the direction of the field.
(C) It is in the direction opposite to the field.
(D) It causes the sphere to oscillate about an equilibrium position.