Question

1. Why is charge quantised? \text { Take } \varepsilon_{0}=8.85 \times 10^{12} \mathrm{C}^{2} / \mathrm{N} \mathrm{m}^{2} \cdot \mathrm{k}=9 \times 10^{9} \mathrm{Nm}^{2} / \mathrm{C}^{2}

Fig: 1

Fig: 2