MHT CET · Physics · Electrostatics
Assuming the drops to be spherical, 27 identical drops of mercury are charged simultaneously to the same potential of 20 volt . If all the charged drops are made to combine to form one big drop, then potential of big drop will be
- A 90 V
- B 180 V
- C 270 V
- D 360 V
Answer & Solution
Correct Answer
(B) 180 V
Step-by-step Solution
Detailed explanation
\(R_{big} = n^{1/3} r_{small}\) \(Q_{big} = n q_{small}\)
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