Series Inductors

What is an Inductor?

• Stores energy in form of the electromagnetic field

• Opposes the flow of current through it

• Amplifies or switches electrical signals

• Conducts current in one direction

Answer explanation

An inductor stores energy in the form of the electromagnetic field, making it the correct choice.

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-5

What is the primary function of inductors connected in series in a circuit?

• Increase the total inductance

• Decrease the total inductance

• Maintain the same inductance

• Convert inductance to capacitance

When two inductors are connected in series, how is the total inductance calculated?

• Sum of the individual inductances

• Product of the individual inductances

• Difference of the individual inductances

• Reciprocal of the sum of reciprocals

In a series inductor circuit, if one inductor fails, what happens to the circuit?

• The entire circuit stops functioning

• The circuit continues to function normally

• The circuit's inductance increases

• The circuit's inductance decreases

Which of the following is a real-world application of series inductors?

• Tuning circuits in radios

• Increasing resistance in circuits

• Storing charge in capacitors

• Converting AC to DC

Tags

NGSS.HS-PS3-5

What happens to the total inductance if identical inductors are added in series?

• It increases linearly

• It decreases linearly

• It remains constant

• It becomes zero

How does the frequency of an AC signal affect the inductance in a series inductor circuit?

• Higher frequency increases inductance

• Higher frequency decreases inductance

• Frequency has no effect on inductance

• Inductance is inversely proportional to frequency

What is the unit of inductance?

• Ohm

• Farad

• Henry

• Watt

In a series circuit with inductors, what is the phase relationship between voltage and current?

• Voltage leads current by 90 degrees

• Voltage lags current by 90 degrees

• Voltage and current are in phase

• Voltage and current are out of phase by 180 degrees

Which of the following materials is commonly used for the core of an inductor?

• Copper

• Iron

• Aluminum

• Plastic