Register
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?
166k views
5 votes
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?

User Asdacap
by
3.5k points

2 Answers

4 votes

Answer:

yes

Step-by-step explanation:

He used the formula R = VI and obtained an

answer of 2

User Miff
by
3.4k points
4 votes

Answer:

Stu's answer was incorrect. According to Ohm's law, R = V/I. This is the equation that should be used to obtain the correct answer, which is 8 ohms.

Step-by-step explanation:

User AndyL
by
3.6k points
Ask a Question
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.

3.3m questions

4.2m answers

Other Questions

A charge Q is uniformly spread over one surface of a very large nonconducting square elastic sheet having sides of length d. At a point P that is 1.25 cm outside the sheet, the magnitude of the electric
If you use 750 Newtons of force to accelerate an object to 3.1 m/s​ . What is the object’s mass?
ou are unloading a refrigerator from a delivery van. The ramp on the van is 5.0 m long, and its top end is 1.4 m above the ground. As the refrigerator moves down the ramp, you are on the down side of the
A 0.260 kg potato is tied to a string with length 2.50 m, and the other end of the string is tied to a rigid support. The potato is held straight out horizontally from the point of support, with the string
What atom accounts for 91% of all the sun's atoms
Link Copied!