Question

Stu wanted to calculate the resistance of a light bulb connected to a 4.0-V battery, with a resulting current of 0.5 A. He used the formula R = VI and obtained an answer of 2 . Was Stu’s answer correct? How do you know?

Answer 1

Answer:

yes it is correct answer

R=VI

R=4*0.5

R=2 ohm

Answer 2

Resistance,R = 2.0 ohm

Explanation:

Given data,

Voltage, V = 4.0 volt

Resulting current, I = 0.50 ampere

We know that,

According to ohm's law,

R = $V\times I$

R = $4\times 0.5$

R = 2.0 ohm