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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?

Iron or ferrite Signup and view all the answers

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

Opposes the change in current that created it Signup and view all the answers

What is the function of a capacitor?

Store energy in the form of an electric charge Signup and view all the answers

What separates the two electrical conductors in a capacitor?

Vacuum or an insulating material known as a dielectric Signup and view all the answers

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

Capacitance Signup and view all the answers

Which design represents the simplest form of a capacitor?

Parallel plate Signup and view all the answers

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

One plate becomes positive with respect to the other Signup and view all the answers