Question

First, a plastic rod is brought to a charge of -10.6 nC. It is then brought to contact with a metal sphere, after which the rod's charge becomes -4.70 nC. Which of the following is true?

A) 3.69 × 10¹⁰ electrons moved from the plastic rod to the metal sphere.
B) 3.69 × 10¹⁹ electrons moved from the metal sphere to the plastic rod.
C) 3.69 × 10¹⁰ electrons moved from the metal sphere to the plastic rod.
D) 3.69 × 10¹⁹ electrons moved from the plastic rod to the metal sphere.

Answer 1