Question

A parallel-plate capacitor stores a charge Q = 4.00 nC when connected to a battery of...

A parallel-plate capacitor stores a charge Q = 4.00 nC when connected to a battery of voltage V = 10.0 V. The energy density is then u = 3.62 × 10-4 J/m3. What is the surface area of the plates?

Select one:

a. 0.0387 m2

b. 0.0250 m2

c. 0.0923 m2

d. 0.0500 m2

e. 0.0103 m2

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