Physics · Electromagnetic Induction
When a straight conductor moves through a magnetic field, the induced electromotive force (emf) is given by e = Blv sin(θ). Which of the following correctly defines the variables in this equation?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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- 1B is the magnetic flux density, l is the length of the conductor, v is the speed of the conductor, and θ is the angle between the velocity and the magnetic field direction.✓
- 2B is the velocity, l is the magnetic flux, v is the flux density, and θ is the angle between flux and conductor.
- 3B is the magnetic field strength, l is the speed, v is the distance, and θ is the angle between velocity and flux.
- 4B is the angle of flux, l is the velocity, v is the magnetic flux density, and θ is the length.
Correct answer
B is the magnetic flux density, l is the length of the conductor, v is the speed of the conductor, and θ is the angle between the velocity and the magnetic field direction.
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