CUET Preparation Today
Eight identical spherical drops, each having a potential of 9 V are combined together to form a single large drop. The potential of this large drop will be: |
4.5 V 18 V 36 V 72 V |
36 V |
The correct answer is Option (3) → 36 V The potential (V) is, $V=\frac{kQ}{r}$ $⇒V_{large}=\frac{KQ_{total}}{R}=\frac{K.8Q_0}{2r_0}$ $=4V_0=4×9=36V$ |
