Find the value of current in the circuit.
Answer & explanation
Correct answer: option 4
The correct answer is Option (4) → 1 A
The following arrangement form a wheatstone bridge,
$\frac{1}{R_{total}}=\frac{1}{4}+\frac{1}{4}=\frac{1}{2}$
$⇒R_{total}=2Ω$
∴ Current, $I=\frac{V}{R}=\frac{2}{2}=1A$