The figure shows a circuit section of four air-filled capacitors that is connect

Question

The figure shows a circuit section of four air-filled capacitors that is connected to a larger circuit. The graph below the section shows the electric potential V(x) as a function of position x along the lower part of the section, through capacitor 4. Similarly, the graph above the section shows the electric potential V(x) as a function of position x along the upper part of the section, through capacitors 1, 2, and 3. Capacitor 3 has a capacitance of 0.97 mu F. What are the capacitances of (a) capacitor 1 and (b) capacitor 2?

Explanation / Answer

Equipment of ( c1,c2&c3) ll c4

Hence ,voltages are same

C3 has voltages ve=12-(2+5)=7

Since ,5volts correspond to 0.97micro farad hence c3 has 0.97 micro farad and c1 has =(0.97×5)/2=2.425 micro farad because c=q/v

Hence , C1/C2=V2/V1. C1/0.97=5/2

C1= (0.97×5)/2 microfarad =2.425 microfard

A) c1=2.425 unit- micro farad

B) c2=0.97 Unit -micro farad

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