Question

The charge-to-mass ratio of an electron is

Answer 1

j.j thompson discovered it without knowing the charge of an electron, which is later on discovered by millikan

\(\LARGE\frac{e}{m}=\frac{1.6022 \times 10^{-19}\ C}{9.109 \times 10 ^{ -31}\ kg}\)

Answer 2

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