In the diagram, E= 12.0 V, C 1 = 24.0 F,C2 = 4.00 F,C3 = 12.0 F, andC4 = 9.00 F.

Question

In the diagram, E= 12.0 V, C1 = 24.0 F,C2 = 4.00 F,C3 = 12.0 F, andC4 = 9.00 F.

Calculate the chargeon C3.

In the diagram, C1 = 10.0 F,C2 = 16.0 F, and the voltageacross each capacitor is 6.00 V. When a dielectric material isinserted between the plates of C1, the charge onC2 changes by 15.0C.

Calculate the dielectricconstant of the material,

In thefigure, i1 = 0.500 A,R1 = 24.0 ,R2 = 8.00 ,R3 = 12.0 , andR4 = 4.00.

Calculate thepower dissipated in R2.

In the circuit shown,E = 10.0 V, R = 600. k, andC = 4.50 F. The capacitor isinitially uncharged. The switch S is closed at t = 0.00 s.

Calculate the current through theresistor at t = 2.00 s.

Explanation / Answer

Let C x = series combination ofC1 and C3              = (C1) (C3)/(C1 + C3)= (24 X 12 ) / (24 + 12 ) = 8 f          Cy= parallel combination of C x and C2                  =  Cx + C2 = 8 + 4 = 12f
         Cequ  = series combination ofCy and C4
                                     =(Cy ) (C4)/(Cy +C4) = (12 X 9 ) / ( 12 + 9 ) =5.1f

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