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When the Potential Difference Between the Plates of an Ideal V\mathrm { V }

Question 73

Multiple Choice

When the potential difference between the plates of an ideal air-filled parallel plate capacitor is 35 V\mathrm { V } , the electric field between the plates has a strength of 750 V/m750 \mathrm {~V} / \mathrm { m } . If the plate area is 4.0×102 m24.0 \times 10 ^ { - 2 } \mathrm {~m} ^ { 2 } , what is the capacitance of this capacitor? (ε0=8.85×1012C2/Nm2) \left( \varepsilon _ { 0 } = 8.85 \times 10 ^ { - 12 } \mathrm { C } 2 / \mathrm { N } \cdot \mathrm { m } ^ { 2 } \right)


A) 7.6×1010 F7.6 \times 10 ^ { - 10 } \mathrm {~F}
B) 7.6×1011 F7.6 \times 10 ^ { - 11 } \mathrm {~F}
C) 7.6×1012 F7.6 \times 10 ^ { - 12 } \mathrm {~F}
D) 7.6×1014 F7.6 \times 10 ^ { - 14 } \mathrm {~F}
E) None of the other choices is correct.

Correct Answer:

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