Question

When $10^{19}$ electrons are removed from a neutral metal plate, the electric charge on it is

• A. – 1.6 C
• B.
  • 1.6 C
• C. 10⁺¹⁹ C
• D. 10^–19 C

Answer 1

Answer: (B)

• 1.6 C

Answer 2

By using $Q = ne \Rightarrow Q = 10^{19} \times 1.6 \times 10^{- 19}$ $= + 1.6C$.