Question

A parallel-plate capacitor has a plate area of 0.3 m2and a plate separation of 0.1 mm. If the charge on each plate has a magnitude of 5 x10-6C then the force exerted by one plate on the other has a magnitude of about:
A) 5 N
B) 9 N
C) 1 x104N
D) 9 x105N
E) 2 x107N

Answer

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