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Questions and Answers
What is the phenomenon associated with the flow of electric current through a conductor?
What is the phenomenon associated with the flow of electric current through a conductor?
- Mechanical effect
- Thermal effect
- Chemical effect
- Magnetic effect (correct)
What does the right-hand thumb rule help determine in the context of magnetic effects of electric current?
What does the right-hand thumb rule help determine in the context of magnetic effects of electric current?
- Magnitude of the magnetic field around a current-carrying conductor
- Direction of magnetic field around a current-carrying conductor (correct)
- Resistance of the current-carrying conductor
- Electric potential around a current-carrying conductor
What happens to the strength of the magnetic field when the current through a conductor is increased?
What happens to the strength of the magnetic field when the current through a conductor is increased?
- It increases (correct)
- It remains constant
- It decreases
- It becomes zero
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Study Notes
Electric Current and Magnetism
- The phenomenon associated with the flow of electric current through a conductor is electromagnetism.
Magnetic Effects of Electric Current
- The right-hand thumb rule helps determine the direction of the magnetic field around a conductor carrying an electric current.
- When the current through a conductor is increased, the strength of the magnetic field around it also increases.
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