Question

The current through a resistor of $2\Omega$ is 1 A. What is the potential difference across it?

• A. 2V
• B. 4V
• C. $\frac{1}{2V}$
• D. 1V

Answer 1

The correct option is A 2V

Simply apply the relation,
V = iR
$V=2\times 1$
V = 2V