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Question
When is the force experienced by a current carrying conductor placed in a magnetic field largest and how? Explain.
When is the force experienced by a current carrying conductor placed in a magnetic field largest and how? Explain.
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Solution
Factors affecting magnetic force on a current-carrying conductor in a magnetic field:
- Strength of the magnetic field
- Current flowing through the wire
- Length of the wire
![magnetic force]()
F=B.I.l.sinθ , where
- F is force acting on a current carrying conductor,B is magnetic flux density (magnetic field strength),
- I is magnitude of current flowing through the conductor,
- l is length of conductor,
- θ is angle that conductor makes with the magnetic field.
The force experienced by a current-currying conductor is the maximum when the direction of current is perpendicular to the direction of the magnetic field.
This is because the value of sin in this equation will be maximum when θ is 90
Factors affecting magnetic force on a current-carrying conductor in a magnetic field:
- Strength of the magnetic field
- Current flowing through the wire
- Length of the wire
F=B.I.l.sinθ , where
- F is force acting on a current carrying conductor,B is magnetic flux density (magnetic field strength),
- I is magnitude of current flowing through the conductor,
- l is length of conductor,
- θ is angle that conductor makes with the magnetic field.
The force experienced by a current-currying conductor is the maximum when the direction of current is perpendicular to the direction of the magnetic field.
This is because the value of sin in this equation will be maximum when θ is 90
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