Podcast
Questions and Answers
What is the relationship between a moving charge and magnetism?
What is the relationship between a moving charge and magnetism?
- A moving charge weakens a magnetic field
- A moving charge produces an electric field
- A moving charge produces a magnetic field (correct)
- A moving charge has no effect on magnetism
How does the direction of the magnetic field around a straight current-carrying conductor change with the direction of current?
How does the direction of the magnetic field around a straight current-carrying conductor change with the direction of current?
- The direction of the magnetic field follows the right-hand rule (correct)
- The direction of the magnetic field follows the left-hand rule
- The direction of the magnetic field remains constant regardless of current direction
- The direction of the magnetic field is random and unpredictable
What happens to the strength of a magnetic field as the distance from a current-carrying wire increases?
What happens to the strength of a magnetic field as the distance from a current-carrying wire increases?
- The strength of the magnetic field decreases with distance (correct)
- The strength of the magnetic field increases with distance
- The strength of the magnetic field becomes zero at a certain distance
- The strength of the magnetic field remains constant regardless of distance