A charge requires of work to be moved between two points

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

Problem

A 2 C2\,\text{C} charge requires 18 J18\,\text{J} of work to be moved between two points. How much work is needed to move a 6 C6\,\text{C} charge between the same two points? (a) 36 J36\,\text{J} (b) 54 J54\,\text{J} (c) 72 J72\,\text{J} (d) 18 J18\,\text{J}

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