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Questions and Answers
Which one of the following materials confines the electric current within itself due to its high conductivity?
Which one of the following materials confines the electric current within itself due to its high conductivity?
- Copper wire (correct)
- Ferromagnetic material
- Iron
- Steel
What is a magnetic circuit?
What is a magnetic circuit?
- A closed path followed by lines of magnetic flux (correct)
- A path where electric current escapes
- A closed path followed by electric field lines
- A path where magnetic flux escapes
What is the magnetomotive force (mmf) in a magnetic circuit analogous to in an electric circuit?
What is the magnetomotive force (mmf) in a magnetic circuit analogous to in an electric circuit?
- Electromotive force (emf) (correct)
- Current
- Voltage
- Resistance
What is the unit of magnetomotive force (mmf)?
What is the unit of magnetomotive force (mmf)?
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What causes the magnetic flux in a magnetic circuit?
What causes the magnetic flux in a magnetic circuit?
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