Question

The effective capacitance in $\mu F$ for the following circuit will be:

• A. $28/9$
• B. $4$
• C. $5$
• D. $18$

Answer 1

The correct option is C $5$

R.E.F image

$C_{eq}=2aI+C^{\prime }$

$\Rightarrow C^{\prime }=\frac{4\left(12\right)}{12+4}=3\mu F$

So, $ceq=2\mu F+3\mu F=5\mu F$