Two Isolated Copper Plates,each of Area 0

question 109

Multiple Choice

Two isolated copper plates,each of area 0.40 m²,carry opposite charges of magnitude 7.08 × 10^-10 C.They are placed opposite each other in parallel alignment,with a spacing of 4.0 cm between them.What is the potential difference between the plates? (ε₀ = 8.85 × 10^-12 C²/N ∙ m²)

• A)0.40 V
• B)3.0 V
• C)3.2 V
• D)7.6 V
• E)8.0 V

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