This is a study problem that I\'m not totally getting. I know that I have to com

Question

This is a study problem that I'm not totally getting. I know that I have to combine the parallels and have difference set or drawings of combining.

1) Find Equivalent Capacitance (QT)

2) Charge on each capacitor

3) Potential difference across each capacitor

This is a study problem that I'm not totally getting. I know that I have to combine the parallels and have difference set or drawings of combining. 1) Find Equivalent Capacitance (QT) 2) Charge on each capacitor 3) Potential difference across each capacitor

Explanation / Answer

remember these about Combination of capacitors

if C1 and C2 are the individual capacitor that re connected in series,

then their resultant capaciatnce 1/Cnet = 1/C1+1/C2 or Cnet   = C1C2/(C1+C2)

if c1 and C2 are connected in parallel, then their effective capacitancen is Cnet = C1+C2

also in sereis combination same amount of charge passes through each of the capacitiors

and in parallel combination, same PD (voltage) exists across each of the capacitor

so 0.1 and 0.2 are in series   = 0.1*0.2/0.3 = 0.0667

also 0.1 and 0.2 are in series   = 0.1*0.2/0.3 = 0.0667

these three 0.0667, 0.0667 and 0.05 are in parallel
so

Cp = 0.0667 + 0.0667 + 0.05

Cp = 0.1834 F

this is in sereis with ( 0.2 *0.2/(0.02+0.02) = 1

so Cnet = 1+0.1834

Cnet = 1.1834 F

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