A charge of 10-9-C is placed on each of the 64 identical drops of radius 2cm-They are then combined to form a bigger drop-Find its potential7-2times10-3-V7-2times10-2-V1-44times10-2-V1-44times10-3-V

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A charge of 10−9C is placed on each of the 64 identical drops of radius 2cm.They are then combined to form a bigger drop.Find its potential7.2×103V7.2×102V1.44×102V1.44×103V

A charge of $10^{- 9} C$ is placed on each of the 64 identical drops of radius 2cm.They are then combined to form a bigger drop.Find its potential
$7.2 \times 10^{3} V$
$7.2 \times 10^{2} V$
$1.44 \times 10^{2} V$
$1.44 \times 10^{3} V$