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When the magnetic field intensity in the current carrying conductor increases, what happens to the force in the conductor which is at right angles to the magnetic field?
- a)Increases
- b)Decreases
- c)Remains the same
- d)Becomes zero
Correct answer is option 'A'. Can you explain this answer?
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When the magnetic field intensity in the current carrying conductor in...
The force at right angles to the magnetic field of a current carrying conductor increases when the magnetic field intensity increases because it is directly proportional to the force.
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When the magnetic field intensity in the current carrying conductor in...
Understanding the Force on a Current-Carrying Conductor
When a current-carrying conductor is placed in a magnetic field, it experiences a force due to the interaction between the magnetic field and the electric current. This phenomenon is governed by the Lorentz force law.
Key Concepts
- Magnetic Field Intensity (B): The strength of the magnetic field, measured in teslas (T).
- Current (I): The flow of electric charge through the conductor, measured in amperes (A).
- Force (F): The mechanical force experienced by the conductor, measured in newtons (N).
Formula for Force
The force exerted on a straight conductor carrying current in a magnetic field can be calculated using the formula:
\[ F = B \cdot I \cdot L \cdot \sin(\theta) \]
Where:
- \( F \) = Force on the conductor
- \( B \) = Magnetic field intensity
- \( I \) = Current flowing through the conductor
- \( L \) = Length of the conductor in the magnetic field
- \( \theta \) = Angle between the conductor and the magnetic field direction (90 degrees in this case)
Impact of Increasing Magnetic Field Intensity
- Increased Force: When the magnetic field intensity (B) increases while the current (I) and the length (L) of the conductor remain constant, the force (F) will directly increase as per the formula.
- Direction of Force: The force direction is determined by the right-hand rule, reinforcing that the force acts perpendicular to both the magnetic field and the current.
Conclusion
Thus, when the magnetic field intensity increases, the force on the conductor at right angles to the magnetic field also increases. This leads to the correct answer being option 'A'.
When a current-carrying conductor is placed in a magnetic field, it experiences a force due to the interaction between the magnetic field and the electric current. This phenomenon is governed by the Lorentz force law.
Key Concepts
- Magnetic Field Intensity (B): The strength of the magnetic field, measured in teslas (T).
- Current (I): The flow of electric charge through the conductor, measured in amperes (A).
- Force (F): The mechanical force experienced by the conductor, measured in newtons (N).
Formula for Force
The force exerted on a straight conductor carrying current in a magnetic field can be calculated using the formula:
\[ F = B \cdot I \cdot L \cdot \sin(\theta) \]
Where:
- \( F \) = Force on the conductor
- \( B \) = Magnetic field intensity
- \( I \) = Current flowing through the conductor
- \( L \) = Length of the conductor in the magnetic field
- \( \theta \) = Angle between the conductor and the magnetic field direction (90 degrees in this case)
Impact of Increasing Magnetic Field Intensity
- Increased Force: When the magnetic field intensity (B) increases while the current (I) and the length (L) of the conductor remain constant, the force (F) will directly increase as per the formula.
- Direction of Force: The force direction is determined by the right-hand rule, reinforcing that the force acts perpendicular to both the magnetic field and the current.
Conclusion
Thus, when the magnetic field intensity increases, the force on the conductor at right angles to the magnetic field also increases. This leads to the correct answer being option 'A'.
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When the magnetic field intensity in the current carrying conductor increases, what happens to the force in the conductor which is at right angles to the magnetic field?a)Increasesb)Decreasesc)Remains the samed)Becomes zeroCorrect answer is option 'A'. Can you explain this answer?
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