a
(a) The given circuit can be redrawn as follows
Resistance between \(A\) and \(B\) \( = \frac{{24 \times 8}}{{32}} = 6\,\Omega \)
Current between \(A\) and \(B\) = Current between \(X\) and \(Y\) \( = i = \frac{{48}}{6} = 8\,A\)
Resistance between \(X\) and \(Y\) \( = (3 + 10 + 6 + 1) = 20\,\Omega \)
\(==>\) Potential difference between \(X\) and \(Y\) = \(8 × 20 = 160 \,V\)
