Force on a moving charge in a magnetic field

In summary, the formula for calculating the force on a moving charge in a magnetic field is F = qvBsinθ, where F is the force, q is the charge, v is the velocity, B is the magnetic field strength, and θ is the angle between the velocity and the magnetic field. The direction of the magnetic field affects the force on a moving charge because the force is perpendicular to both the velocity of the charge and the magnetic field. A positive charge moving through a magnetic field will experience a force in one direction, while a negative charge moving through the same magnetic field will experience a force in the opposite direction. The strength of the magnetic field directly affects the force on a moving charge, with a stronger magnetic field resulting
  • #1
flrxz
2
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Can someone Explain to me the "force on a moving charge in a magnetic field".

I have this assignment and i need to report it on friday and I am confused if that is the same with magnetic force on a moving charge.

and can someone pls give me an example problem with answer if you can..

:confused:
 
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  • #3
thankyou.. :)

ah now i understand.. thankssss :))
 

1. What is the formula for calculating the force on a moving charge in a magnetic field?

The formula for calculating the force on a moving charge in a magnetic field is F = qvBsinθ, where F is the force, q is the charge, v is the velocity, B is the magnetic field strength, and θ is the angle between the velocity and the magnetic field.

2. How does the direction of the magnetic field affect the force on a moving charge?

The direction of the magnetic field affects the force on a moving charge because the force is perpendicular to both the velocity of the charge and the magnetic field. If the magnetic field is parallel to the velocity, there will be no force; if the magnetic field is perpendicular to the velocity, the force will be at its maximum.

3. What is the difference between a positive and a negative charge in a magnetic field?

A positive charge moving through a magnetic field will experience a force in one direction, while a negative charge moving through the same magnetic field will experience a force in the opposite direction. This is due to the direction of the force being dependent on the charge's velocity and the polarity of the magnetic field.

4. How does the strength of the magnetic field affect the force on a moving charge?

The strength of the magnetic field directly affects the force on a moving charge. The stronger the magnetic field, the greater the force on the charge will be. This can be seen in the formula for force, where B is a factor in the calculation.

5. Can the force on a moving charge in a magnetic field be zero?

Yes, the force on a moving charge in a magnetic field can be zero if the velocity of the charge is parallel to the magnetic field, resulting in a sinθ of zero. This means that there is no angle between the two vectors and no force is exerted on the charge.

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