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A source charge $Q$ is able to set up an electric field at point $P$, such that the strength of the electric field is $E$.

What is the new electric field strength if the source charge is moved to a new location that is twice as far from point $P$?

A

$\dfrac{E}{4}$

B

$\dfrac{E}{2}$

C

${2E}$

D

${4E}$

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