Calculating Power Consumption in Series Circuits
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Calculating Power Consumption in Series Circuits

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Questions and Answers

What equation can be used to calculate power consumption in a circuit?

  • Power = Current * Resistance
  • Power = Current squared * Resistance
  • Power = Voltage / Current
  • Power = Voltage squared / Resistance (correct)

    • How is power consumption related to the heat generated in a circuit?

  • Power consumption causes voltage drop
  • Power consumption leads to energy conversion into heat (correct)
  • Power consumption results in light emission
  • Power consumption increases current flow

    • What happens to the energy lost by electrons in a circuit?

  • It is converted into light energy
  • It is dissipated as heat (correct)
  • It is transformed into mechanical energy
  • It is stored as potential energy

    • In a circuit with a 10 ohm resistor and a 5 ohm resistor, what is the total resistance?

    <p>15 ohms</p> Signup and view all the answers

    If the current in a circuit is 0.9 amps and the resistance is 10 ohms, what is the power consumption?

    <p>8.1 watts</p> Signup and view all the answers

    What effect does increasing the number of resistors in a circuit have on power consumption?

    <p>Increases power consumption</p> Signup and view all the answers

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