Inductor Fundamentals Quiz

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Questions and Answers

What is the unit of inductance in the International System of Units (SI)?

  • Tesla (T)
  • Henry (H) (correct)
  • Farad (F)
  • Ohm (Ω)

What is the component that stores energy in a magnetic field when electric current flows through it?

  • Capacitor
  • Resistor
  • Diode
  • Inductor (correct)

What is the ratio of the voltage to the rate of change of current called?

  • Capacitance
  • Conductance
  • Inductance (correct)
  • Resistance

What is the material inside the coil of many inductors that serves to increase the magnetic field and inductance?

<p>Iron or ferrite (B)</p> Signup and view all the answers

According to Lenz's law, what is the polarity (direction) of the induced voltage in an inductor?

<p>Opposes the change in current that created it (D)</p> Signup and view all the answers

What is the function of a capacitor?

<p>Store energy in the form of an electric charge (A)</p> Signup and view all the answers

What separates the two electrical conductors in a capacitor?

<p>Vacuum or an insulating material known as a dielectric (B)</p> Signup and view all the answers

What is the ability of a capacitor to store charges called?

<p>Capacitance (A)</p> Signup and view all the answers

Which design represents the simplest form of a capacitor?

<p>Parallel plate (D)</p> Signup and view all the answers

What happens when a DC voltage source is connected across a capacitor?

<p>One plate becomes positive with respect to the other (A)</p> Signup and view all the answers

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