Parallel-Plate Capacitor: Two large closely-spaced parallel metal plates are uniformly and oppositely charged and the electric field between them is 7.6 × 106 N/C.(a) What is the charge per unit area on each plate?(b) If the plates are now moved two times farther apart, what is the electric field between the plates?
What will be an ideal response?
(a) ±67 µC/m2 (b) 7.6 × 106 N/C (unchanged)
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