Two Tiny Particles Carrying Like Charges of the Same Magnitude $1.0 \mathrm {~mm}$

question 4

Multiple Choice

Two tiny particles carrying like charges of the same magnitude are $1.0 \mathrm {~mm}$ apart.If the electric force exerted on one of them is $5.0 \mathrm {~N} \text {, }$ what is the magnitude of the charge on each of these particles?(k = 1/4πε₀ = 9.0 × 10⁹ N ∙ m²/C²)

• A)2.4 × 10^-2 C
• B)2.4 × 10^-8 C
• C)4.5 × 10⁴ C
• D)2.4 × 10^-5 C

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