# chapter25 - Q1 Capacitors shown in the figure have the same...

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Q1: Capacitors shown in the figure have the same plate area, but the distance between the plates of C 1 and C 2 is d, C 3 is 2d and C 4 is 4d. If C 1 = C 2 = 8F and V=60 V is applied, a) What is the capacitance of the C 3 and C 4 ? b) What is the equivalent capacitance of the circuit? c) What is the charge on capacitor C 3 ? d) What is the energy stored on capacitor C 3 ? Q2: A parallel plate capacitor with plate area A=400 cm 2 and plate separation d=2 mm is half filled with a dielectric slab ( =3) of thickness 1 2 d mm. With the slab in place, capacitor is connected to a battery, V=100 V, as shown in the figure. a) Find the capacitance when the slab is present. b) Find the electrostatic potential energy stored in the slab.

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Q3: Three capacitors with the same plate area and separation are connected as shown in the figure. A dielectric with constant 2 is inserted into the half of the capacitor C 3 . If the C 1 =30 F and V= 7.0 V; a) Find the equivalent capacitance.
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chapter25 - Q1 Capacitors shown in the figure have the same...

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