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Questions and Answers
Which of the following is NOT a magnetic material?
Which of the following is NOT a magnetic material?
- Cobalt
- Iron
- Copper (correct)
- Nickel
The magnetic field due to a current-carrying straight conductor is:
The magnetic field due to a current-carrying straight conductor is:
- Concentric
- Rectangular
- Elliptical
- Circular (correct)
What happens to the strength of the magnetic field around a current-carrying conductor if the current is increased?
What happens to the strength of the magnetic field around a current-carrying conductor if the current is increased?
- Increases (correct)
- Depends on the material of the conductor
- Remains constant
- Decreases
The direction of the magnetic field lines around a straight current-carrying conductor is:
The direction of the magnetic field lines around a straight current-carrying conductor is:
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Which hand rule is used to determine the direction of the magnetic field around a current-carrying conductor?
Which hand rule is used to determine the direction of the magnetic field around a current-carrying conductor?
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