DC Circuits Quiz
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Questions and Answers

What does inductance depend on?

  • Inductance depends on the material of the coil and the current passing through it (correct)
  • Inductance depends on the electric energy being converted into magnetic energy
  • Inductance depends on the frequency of the current and the resistance of the conductor
  • Inductance depends on the length and area of the conductor
  • What is the main difference between DC and AC?

  • DC is more harmful than AC due to its constant voltage
  • AC is used in household applications, while DC is used in industries
  • AC has a higher frequency compared to DC
  • DC has a constant voltage over time, while AC has a changing voltage over time (correct)
  • What factors can affect the resistance in a conductor?

  • The frequency of the current and the inductance of the conductor
  • Length and area of the conductor, as well as temperature (correct)
  • The material of the conductor and the type of current passing through it
  • The resistance is not affected by any external factors
  • What are the factors that affect the resistance in a conductor and how are they mathematically related?

    <p>The factors affecting resistance are the length of the conductor and the area of the conductor. Mathematically, resistance (R) is related to length (L) and area (A) by the formula R = ρL/A, where ρ is the resistivity of the material.</p> Signup and view all the answers

    What is the difference between DC and AC in terms of their effects on the human body?

    <p>DC is more harmful to the human body compared to AC due to its constant voltage, while AC is less harmful as it has a changing voltage over time and frequency.</p> Signup and view all the answers

    What is inductance and how does it relate to the conversion of energy in an electrical circuit?

    <p>Inductance is the property of a circuit that stores electric energy in the form of magnetic energy. It depends on the number of turns of the coil and the material. Inductance is related to the conversion of energy from electric to magnetic and vice versa in the circuit.</p> Signup and view all the answers

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