The charge stored in a capacitor:
The capacitance of a parallel plate capacitor:
For a vacuum and air, dielectric constant, k = 1.
ε0 = 8.854 × 10-12 F/m
A = l2 = (2.90cm)2(1m/100cm)2 = 8.41 × 10-4 m2
Two 2.90 cm × 2.90 cm plates that form a parallel-plate capacitor are charged to ± 0.708 nC .
What is the electric field strength inside the capacitor if the spacing between the plates is 3.00 mm ?
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