First slide

Electric charges and its properties

Question

When 10¹⁹ electrons are removed from a neutral metal plate, the electric charge on it is

Easy

A

– 1.6 C
B

+ 1.6 C
C

10⁺¹⁹ C
D

10^–19 C

Solution

By using $Q = ne \Rightarrow Q = 10^{19} \times 1 .6 \times 10^{- 19} = + 1 .6 C$ .

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