Two Isolated Copper Plates, Each of Area $0.40 \mathrm {~m} ^ { 2 }$

question 80

Multiple Choice

Two isolated copper plates, each of area $0.40 \mathrm {~m} ^ { 2 }$ , carry opposite charges of magnitude $7.08 \times 10 ^ { - 10 }$ C. They are placed opposite each other in parallel alignment, with a spacing of $4.0 \mathrm {~cm}$ between them. What is the potential difference between the plates? $\left( \varepsilon _ { 0 } = 8.85 \times 10 ^ { - 12 } \mathrm { C } ^ { 2 } / \mathrm { N } \cdot \mathrm { m } ^ { 2 } \right)$

• A) \(3.2 \mathrm {~V}\)
• B) \(0.40 \mathrm {~V}\)
• C) \(7.6 \mathrm {~V}\)
• D) \(3.0 \mathrm {~V}\)
• E) \(8.0 \mathrm {~V}\)

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