Question

In the circuit shown in figure, the current $I$ has a value equal to

• A. 1 A
• B. 2 A
• C. 4 A
• D. 3.5 A

Answer 1

The correct option is A 1 A

The equivalent resistance of resistors is
$R=2+\frac{4}{2}+\frac{15}{3}=9\Omega I=\frac{E}{r+R}=\frac{10}{1+9}=1A$