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Beams of electrons can be steered using magnets. It is desired to change the trajectory of a beam of electrons by passing the beam through a magnetic field as shown in the diagram, where r = 5.29 cm. The electrons enter the magnetic field at A and leave the magnetic field at B. (a) Draw a diagram showing the path followed by the electrons while they are in the magnetic field, i.e. the path from A to B. (b) The electrons have kinetic energies of 4.24 keV. You may assume that the magnetic force is the only force acting on the electrons. The mass of an electron is 9.11 × 10-31 kg. Calculate the required magnetic field (magnitude and direction). Which one of the following is the required direction of the magnetic field? toward the top of the page out of the page  into the page to the right toward the bottom of the page to the left

Beams of electrons can be steered using magnets. It is desired to change the trajectory of a beam of electrons by passing the beam through a magnetic field as shown in the diagram, where r = 5.29 cm. The electrons enter the magnetic field at A and leave the magnetic field at B. (a) Draw a diagram showing the path followed by the electrons while they are in the magnetic field, i.e. the path from A to B. (b) The electrons have kinetic energies of 4.24 keV. You may assume that the magnetic force is the only force acting on the electrons. The mass of an electron is 9.11 × 10-31 kg. Calculate the required magnetic field (magnitude and direction). Which one of the following is the required direction of the magnetic field? toward the top of the page out of the page  into the page to the right toward the bottom of the page to the left

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Beams of electrons can be steered using magnets.
It is desired to change the trajectory of a beam of electrons by passing the beam through a magnetic field as shown in the diagram, where r = 5.29 cm.
The electrons enter the magnetic field at A and leave the magnetic field at B.

(a) Draw a diagram showing the path followed by the electrons while they are in the magnetic field, i.e. the path from A to B.

(b) The electrons have kinetic energies of 4.24 keV.
You may assume that the magnetic force is the only force acting on the electrons.
The mass of an electron is 9.11 × 10-31 kg.

Calculate the required magnetic field (magnitude and direction).

Which one of the following is the required direction of the magnetic field?
toward the top of the page
out of the page
 into the page
to the right
toward the bottom of the page
to the left

 

Required magnitude of magnetic field is :  T
Region of magnetic field non c A r Tr-B
Transcribed Image Text:Region of magnetic field non c A r Tr-B
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