A combination of capacitors given is charged by a cell of emf \( E \) as shown : \( P \) W. If i...

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A combination of capacitors given is charged by a cell of emf \( E \) as shown :
\( P \)
W.
If it is given that \( V_{a b} \), i.e. potential difference between points \( a \) and \( b \) is \( 4 \mathrm{~V} \), then answer the given questions.
Potential difference between points \( d \) and \( a \) will be
(a) \( 4 \mathrm{~V} \)
(b) \( 12 \mathrm{~V} \)
(c) \( 10 \mathrm{~V} \)
(d) \( 8 \mathrm{~V} \)
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