As Shown in the Figure,three Small Charges Are Equally Spaced

question 24

Multiple Choice

As shown in the figure,three small charges are equally spaced on the arc of a circle that is centered at the charge Q,where Q = +23 nC and all the other quantities are accurate to two significant figures.What is the magnitude of the net electric force exerted on the charge Q by the other three charges? (k = 1/4πε₀ = 9.0 × 10⁹ N ∙ m²/C²)

• A)2.6 × 10^-4 N
• B)1.7 × 10^-4 N
• C)2.1 × 10^-4 N
• D)3.1 × 10^-4 N

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