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Questions and Answers
What is the cause of a magnetic field?
What is the cause of a magnetic field?
- Static electric charges
- Moving electric charges (correct)
- Heat energy
- Magnetic materials
What does the strength of a magnetic field depend on?
What does the strength of a magnetic field depend on?
- The color of the magnet
- Distance from the magnet
- The material of the magnet (correct)
- The shape of the magnet
In which direction do magnetic field lines around a wire carrying current run?
In which direction do magnetic field lines around a wire carrying current run?
- Randomly in all directions
- Outward from the wire (correct)
- Clockwise
- Inward toward the wire
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