Three Point Charges $- 2.00 \mu \mathrm { C } , + 4.00 \mu \mathrm { C }$

question 97

Multiple Choice

Three point charges, $- 2.00 \mu \mathrm { C } , + 4.00 \mu \mathrm { C }$ , and $+ 6.00 \mu \mathrm { C }$ , are located along the $x$ -axis as shown in the figure. What is the electric potential (relative to infinity) at point $\mathrm { P }$ due to these charges? $( k =$ $1 / 4 \pi \varepsilon _ { 0 } = 8.99 \times 10 ^ { 9 } \mathrm {~N} \cdot \mathrm { m } ^ { 2 } / \mathrm { C } ^ { 2 }$ )

• A) \(+ 154\) kV
• B) \(+ 307 \mathrm { kV }\)
• C) \(- 307 \mathrm { kV }\)
• D) \(0.00 \mathrm { kV }\)
• E) \(- 154 \mathrm { kV }\)

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