A 69 μC Negative Point Charge Has a Positively Charged Particle

question 146

Multiple Choice

A 6.9 μC negative point charge has a positively charged particle in an elliptical orbit about it.If the mass of the positively charged particle is $1.0 \mu \mathrm { g }$ and its distance from the point charge varies from $4.0 \mathrm {~mm}$ to $16.0 \mathrm {~mm}$ ,what is the maximum potential difference through which the positive object moves? (k = 1/4πε₀ = 9.0 × 10⁹ N ∙ m²/C²)

• A)12 MV
• B)3.9 MV
• C)-5.2 MV
• D)19 MV

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