In Fig. 25-59, two parallelplate capacitors A and B are connected in parallel across a
Chapter 25, Problem 77(choose chapter or problem)
In Fig. 25-59, two parallelplate 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 k 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 s on the higher-potential plate of (c) capacitor A and (d) capacitor B? (e) What is the induced charge density s on the top surface of the dielectric? B A Figure 25-59 77.
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