- #1
Suraj M
Gold Member
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- 39
Homework Statement
Find capacitance across AB
So i divided the current into q1 and q2 as shown. then i assumed that q₂>q₁.
Homework Equations
##C=\frac{Q}{V}##
I don't know anything after KVL KCL and loop law.
The Attempt at a Solution
So i split the current at T into q₃ and q₂-q₃
by the diagram, i used Loop law for UPQTU and QRSTQ.
this gave me a relation between q₁,q₂ and q₃.
i got
$$ q₁= 15q₃$$
$$q₂=16q₃$$
$$q₁ = \frac{15}{16} q₂$$
using these, i used the equation..
$$ C_{AB} = \frac{q₂ +q₁}{\frac{q₁}{5} + \frac{10}{q₁+q₃}}$$
so i got $$C_{AB} = \frac{155}{23} µF$$
Is this right.? because i doubt it.