Exercise 4 A capacitor consists of a container with two square metal walls of side = 40 cm, parallel and placed vertical

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Exercise 4 A Capacitor Consists Of A Container With Two Square Metal Walls Of Side 40 Cm Parallel And Placed Vertical 1 (63.37 KiB) Viewed 45 times

Exercise 4 A capacitor consists of a container with two square metal walls of side = 40 cm, parallel and placed vertically, one of which is movable in the direction z orthogonal to it. The distance between the two walls is initially zo = 5 mm. The remaining walls of the vessel are made of insulating material, i.e. the two metal walls are insulated. The vessel is initially filled up to the level ho = 30 cm with a liquid of dielectric constant e = 2.5 and a charge Q-15 mC is deposited on the plates. Determine, as a function of 2: a) the capacitance of the container; b) the electrostatic energy stored by the capacitor; c) the electrostatic force acting on the metal walls (i.e. the contribution of pressure is not calculated hydrostatic). Then compute a) b) c) giving the values fo z-10mm.