Question

a wire with a resistance of 20 ω is connected to a 12 - v battery. what is the current flowing through the wire?

Explanation:

Step1: Recall Ohm's law

$I=\frac{V}{R}$

Step2: Substitute values

$I = \frac{12\ V}{20\ \Omega}$

Step3: Calculate the current

$I=0.6\ A$

Answer:

$0.6$