The total inductance of two coils in series...

The total inductance of two coils in series...

Question 1 of 27070wWtVS1mWU4Y3FMSjPsUV

The total inductance of two coils in series without any mutual coupling is:

Question 1 of 27070

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Study area:

Q

The total inductance of two coils in series without any mutual coupling is:

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🔍 Key Concepts

• How inductances add when connected in series without mutual coupling • Analogy with resistors in series vs. parallel in basic circuits • How total inductance compares in series vs. parallel connections

💭 Think About

• If you pass the same current through two inductors one after another, how does each inductor’s voltage relate to the total voltage? • Think about what happens to the circuit’s opposition to change in current when you add more inductance in series—does it get bigger, smaller, or stay the same? • For which type of connection (series or parallel) do you typically see a formula involving a product divided by a sum?

✅ Before You Answer

• Be clear that the inductors are not magnetically coupled (no mutual inductance term). • Compare each choice to what you know about resistors in series and parallel as a helpful analogy. • Ask yourself whether the total inductance should be greater than, less than, or between the individual inductances for this connection.