Two point charges and are kept at and

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

Problem

Two point charges

Q_1

and

Q_2

are kept at

O(0,0)

and

A(4\,\text{cm},0)

, respectively. At point

P(4\,\text{cm},3\,\text{cm})

the

y

-component of the net electric field is observed to be zero. Determine the ratio

Q_1/Q_2