MCQ
Coulomb’s Law is valid for $........$?
- ✓Only point charge.
- BFor both point charge and distributed charge.
- COnly distributed charges.
- DNeither distributed nor point charge.
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Let $C_1$ and $C_2$ be the capacitance of the system for $x =\frac{1}{3} d$ and $x =\frac{2 d }{3}$, respectively. If $C _1=2 \mu F$ the value of $C _2$ is $........... \mu F$
(permeability of free space $\left.=4 \pi \times 10^{-7} H / m \right)$