Electricity: Which globe uses most energy?

In summary, the two light globes in parallel are consuming the same amount of energy as they both have the same voltage. The current flowing through each globe is not directly linked to the amount of energy consumed, but rather the power of each globe. Further calculations or information is needed to determine which globe is consuming the most energy.
  • #1
Astar
16
0

Homework Statement



Two light globes are connected in parallel in a 240V circuit. One light globe has a current of 0.25A flowing through it. The other has 0.41A glowing through it. Which light globe is consuming the most energy and why?


Homework Equations





The Attempt at a Solution



Well I'm stuck with two possibilities on this one:

1) 0.25 A light globe is consuming the most energy as it has less current going through it. (?)

2) Both are consuming the same amount of energy as in a parallel circuit the voltage remains the same in both globes. As both globes have the same voltage, then they are using the same energy. (?)

(I'm leaning towards 2. But both could be incorrect. I just can't see how current is linked to energy as that is a potential difference (voltage) thing.)

ANy help would be greatly appreciated. Thanks
 
Physics news on Phys.org
  • #2
is there an equation to find the energy consumed? if not, find the power of each one ..
 

Related to Electricity: Which globe uses most energy?

1. What is the globe that uses the most energy?

The globe that uses the most energy is the United States. According to the International Energy Agency, the United States consumed approximately 3,968 billion kilowatt-hours of electricity in 2019, making it the largest consumer of electricity in the world.

2. How does the United States compare to other countries in terms of electricity consumption?

The United States is the second largest consumer of electricity in the world, behind China. However, when looking at electricity consumption per capita, the United States ranks much higher due to its large population and high energy demand.

3. What types of energy sources are used to generate electricity in the United States?

The primary sources of electricity in the United States are coal, natural gas, nuclear, and renewable energy sources such as wind, solar, hydro, and biomass. Each of these sources has a different impact on the environment and the cost of electricity.

4. How has electricity consumption in the United States changed over time?

Since the 1950s, electricity consumption in the United States has steadily increased due to population growth, economic development, and technological advancements. However, in recent years, there has been a shift towards more energy-efficient practices and the use of renewable energy sources.

5. What can individuals do to reduce their electricity consumption?

There are several ways individuals can reduce their electricity consumption, such as turning off lights and electronics when not in use, using energy-efficient appliances, and utilizing renewable energy sources. Additionally, practicing energy conservation habits such as adjusting thermostat settings and unplugging chargers when not in use can also help reduce electricity consumption.

Similar threads

  • Introductory Physics Homework Help
Replies
4
Views
557
  • Introductory Physics Homework Help
Replies
2
Views
1K
  • Electromagnetism
Replies
3
Views
2K
  • Introductory Physics Homework Help
Replies
3
Views
1K
Replies
16
Views
2K
  • Introductory Physics Homework Help
Replies
5
Views
1K
  • Introductory Physics Homework Help
Replies
10
Views
1K
Replies
10
Views
944
  • Introductory Physics Homework Help
Replies
1
Views
3K
  • Introductory Physics Homework Help
Replies
4
Views
1K
Back
Top