Two $+ 6.0 - \mu \mathrm { C }$ Charges Are Placed at Two of the Vertices of an Are

question 74

Multiple Choice

Two $+ 6.0 - \mu \mathrm { C }$ charges are placed at two of the vertices of an equilateral triangle having sides $2.0 \mathrm {~m}$ Iong. What is the electric potential at the third vertex, relative to infinity, due to these charges? $( k =$ $1 / 4 \pi \varepsilon _ { 0 } = 9.0 \times 10 ^ { 9 } \mathrm {~N} \cdot \mathrm { m } ^ { 2 } / \mathrm { C } ^ { 2 }$ )

• A) \(108 \mathrm {~V}\)
• B) \(90 \mathrm { kV }\)
• C) \(54 \mathrm { kV }\)
• D) \(0 \mathrm {~V}\)
• E) \(27 \mathrm { kV }\)

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