MCQ
Electrostatic force of attraction between electron and the nucleus in the hydrogen atom is
- A$\frac{e^2}{r}$
- ✓$\frac{e^2}{r^2}$
- C$\frac{e^2}{2r^2}$
- D$\frac{Ze^2}{r}$
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A current was passed for $10$ hours. $10.8\ g\ Ag$ was deposited at cathode in $(III)$ electrolytic cell during electrolysis if current efficiency is $50\%.$
What is magnitude of the current in ampere ?