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SSM In Fig. 25-59, two parallel-plate capacitors A and B are connected in parallel across a 600 V battery. Each plate has area 80.0 cm2; the plate separations are 3.00 mm.Capacitor A is filled with air; capacitor B is filled with a dielectric of dielectric constant κ= 2.60. Find the magnitude of the electric field within (a) the dielectric of capacitor B and (b) the air of capacitor A. What are the free charge densities σ on the higher-potential plate of (c) capacitor A and (d) capacitor B? (e) What is the induced charge density σ'on the top surface of the dielectric?
Figure 25-59 Problem77.
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