Energy Transfer in Circuits

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IGCSE Physics Lessons
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A series of free GCSE/IGCSE Physics Notes and Lessons.

Energy Transfer by Components in Circuits
The following diagram gives the formula for energy, charge and current. Scroll down the page for more examples and solutions on how to use the formula.
Energy Transfer in Circuits

In these lessons, we will

  • Calculate the energy transferred by components in electrical circuits
    E = Q × V


  1. 4 coulombs of charge flows in the circuit with a p.d. of 15V. Calculate the total energy transferred.
  2. 3 coulombs of charge flows in the circuit. Calculate the energy transfered in resistor A.

Energy transfer in a circuit

Try the free Mathway calculator and problem solver below to practice various math topics. Try the given examples, or type in your own problem and check your answer with the step-by-step explanations.
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