Question

Figure 3 shows an electron with velocity, v = 4.5 × 10^6 ms^-1 is launched into a region of magnetic field. The strength of B-field is 2.5 mT and it is directed out of the plane of the page. B_out e v Figure 3 i) Redraw Figure 3 and label with arrow to indicate the direction of magnetic force, Fm. Sketch the path and direction of the electron when it is moving in the magnetic field, B. ii) Calculate the magnitude of magnetic force, Fm exerted on the electron. iii) Calculate the radius of the path of the electron.

          Figure 3 shows an electron with velocity, v = 4.5 &times; 10^6 ms^-1 is launched into a region of magnetic field. The strength of B-field is 2.5 mT and it is directed out of the plane of the page.

B_out
e
v

Figure 3

i) Redraw Figure 3 and label with arrow to indicate the direction of magnetic force, Fm.
Sketch the path and direction of the electron when it is moving in the magnetic field, B.
ii) Calculate the magnitude of magnetic force, Fm exerted on the electron.
iii) Calculate the radius of the path of the electron.

Figure 3 shows an electron with velocity, v = 4.5 times; 10^6 ms^-1 is launched into a region of magnetic field. The strength of B-field is 2.5 mT and it is directed out of the plane of the page.

Bout
e
v

Figure 3

i) Redraw Figure 3 and label with arrow to indicate the direction of magnetic force, Fm.
Sketch the path and direction of the electron when it is moving in the magnetic field, B.
ii) Calculate the magnitude of magnetic force, Fm exerted on the electron.
iii) Calculate the radius of the path of the electron.

Added by Robert R.

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