If you triple the charge on a point charge, what happens to the strength of the

Question

If you triple the charge on a point charge, what happens to the strength of the electric field generated by that charge? a) it decreases by a factor of 3. b) it becomes 3 times stronger c) it becomes 9 times stronger d) it is only 1/9 as strong as originally If you triple the charge on a point charge, what happens to the strength of the electric field generated by that charge? a) it decreases by a factor of 3. b) it becomes 3 times stronger c) it becomes 9 times stronger d) it is only 1/9 as strong as originally a) it decreases by a factor of 3. b) it becomes 3 times stronger c) it becomes 9 times stronger d) it is only 1/9 as strong as originally

Explanation / Answer

Electric Field due to a point charge q is given by E = Kq/r^2

where r is the distance

so here if, q is tripled,

Enew = K*(3q)/r^2

Enew = 3E

i.e Enew also triples,

so option b is correct

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