How do you know when a penalty has been called?
1 answer:
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Answer:
Velocity of the electron in the beam.
Radius of the circulating electrons due to the magnetic field.
Explanation:
We have a Mathematical expression for the force on a moving charge in a magnetic field as:
...........................(1)
where:
q= charge on the particle in coulomb
v= velocity of the charge projected into the magnetic field
B= intensity of the magnetic field in tesla
= angle between the velocity and direction of magnetic field
For the forces on rotating mass we have the formula:
..........................................(2)
where:
m= mass of the charged particle
v= velocity of projection of charge into the magnetic field
r= radius of the path traced by the charge in the magnetic field
From eq. (1) and (2) we can calculate the magnetic field .
Now,
Using Ampere's Law we have:
where:
I= current in the wire
The permeability of free space.
r= radial distance from the current carrying wire( in this case it is same as the radius of the circular path)