Electricity: Which globe uses most energy?

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SUMMARY

In a parallel circuit with a voltage of 240V, two light globes are connected, one with a current of 0.25A and the other with 0.41A. The globe with 0.41A consumes more energy due to its higher current, as power is calculated using the formula P = V x I. Therefore, the power consumed by the 0.25A globe is 60W, while the 0.41A globe consumes 98.4W. This confirms that the globe with the higher current is indeed using more energy.

PREREQUISITES
  • Understanding of Ohm's Law (V = I x R)
  • Knowledge of electrical power calculations (P = V x I)
  • Familiarity with parallel circuit configurations
  • Basic concepts of voltage, current, and resistance
NEXT STEPS
  • Research the implications of current and voltage in parallel circuits
  • Learn about power consumption in electrical devices
  • Explore the differences between series and parallel circuits
  • Investigate energy efficiency in lighting technologies
USEFUL FOR

Students studying electrical engineering, electricians, and anyone interested in understanding energy consumption in electrical circuits.

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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
 
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is there an equation to find the energy consumed? if not, find the power of each one ..
 

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