Two identical point charges are placed a distance apart in air and experience a force

PHYSICS · Subjective · A Level · Physics · Fields and their consequences · Fields and their consequences

Problem

Two identical point charges

q

are placed a distance

d

apart in air and experience a force

F

. If one charge is doubled and the separation is reduced to

\dfrac{d}{2}

, determine the new force

F'

in terms of

F