For the circuit shown in the Fig. 3(CF).39 (a) potential difference between points \( B \) and \...

For the circuit shown in the Fig. 3(CF).39
(a) potential difference between points \( B \) and \( E \) is \( 5 \mathrm{~V} \)
(b) potential difference between points \( A \) and \( B \) is \( 10 \mathrm{~V} \)
(c) the current in the \( 4 \Omega \) resistor is \( 0.25 \mathrm{~A} \)
(d) the current in the \( 4 \Omega \) resistor is \( 0.5 \mathrm{~A} \)