Electric Circuits Homework: Solving for Energy Delivered to Battery

Click For Summary
SUMMARY

The discussion focuses on calculating the energy delivered to a battery by a charger supplying a current of 6.0A over 5.0 hours at a constant voltage of 12V. The correct formula for energy is established as Energy = Power x Time, where Power is defined as Voltage x Current. The total energy delivered to the battery is calculated to be 1.3 x 10^6 Joules, confirming the accuracy of this approach. Participants also explore the relationship between current, voltage, and time in the context of electrical energy calculations.

PREREQUISITES
  • Understanding of basic electrical concepts such as current, voltage, and energy.
  • Familiarity with the formula for electrical power: Power = Voltage x Current.
  • Knowledge of unit conversions, specifically between hours and seconds.
  • Ability to manipulate equations involving energy, power, and time.
NEXT STEPS
  • Research the concept of Joules and its relation to electrical energy.
  • Learn about unit conversions, particularly converting hours to seconds for energy calculations.
  • Explore additional expressions for electrical power and energy in different contexts.
  • Study the implications of current and voltage variations on energy delivery in circuits.
USEFUL FOR

Students studying electrical engineering, educators teaching circuit theory, and anyone involved in practical applications of electrical energy calculations.

kamal242
Messages
2
Reaction score
0

Homework Statement


A battery charger is connected to a dead battery and delivers a current of 6.0A for 5.0 hours,keeping the voltage across the battery terminals at 12V in the process.how much energy is delivered to the battery?


Homework Equations


R=I^2RT



The Attempt at a Solution


the answer is 1.3x10^6 Joules but I am not getting that.can someone help me please?
 
Physics news on Phys.org
Do you know any other expressions for electrical power and energy?
 
kamal242 said:

Homework Equations


R=I^2RT


Power = Voltage x Current
Energy = Power x Time.

Joules of energy is expressed in amp-volt-seconds.

How many seconds in an hour?
 

Similar threads

Replies
4
Views
2K
  • · Replies 30 ·
2
Replies
30
Views
3K
  • · Replies 12 ·
Replies
12
Views
1K
  • · Replies 10 ·
Replies
10
Views
2K
Replies
9
Views
1K
Replies
5
Views
2K
  • · Replies 22 ·
Replies
22
Views
3K
  • · Replies 10 ·
Replies
10
Views
3K
Replies
14
Views
2K
  • · Replies 5 ·
Replies
5
Views
2K