Twenty seven drops of same size are charged at each

PHYSICS · Single correct · A Level · Physics · Fields and their consequences · Fields and their consequences

Problem

Twenty seven drops of same size are charged at

220\,\text{V}

each. They combine to form a bigger drop. Calculate the potential of the bigger drop. (a)

1320\,\text{V}

(b)

1520\,\text{V}

(c)

1980\,\text{V}

(d)

660\,\text{V}