surface is given by (a) \( O B \times e( \) in \( \mathrm{eV}) \) (b) \( O B \) (in volts) (c) \...

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surface is given by
(a) \( O B \times e( \) in \( \mathrm{eV}) \)
(b) \( O B \) (in volts)
(c) \( O A \) (in \( \mathrm{eV}) \)
(d) the slope of line \( A B \)
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