Question

An electron enters a region of space containing a uniform 1.27×10^−5 T magnetic field. Its speed is 157 m/s and it enters perpendicularly to the field. Under these conditions, the electron undergoes circular motion. Find the radius ? of the electron's path and the frequency ? of the motion.

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An electron enters a region of space containing a uniform
0.0000149-T magnetic field. Its speed is 121 m/s and it enters
perpendicularly to the field. Under these conditions, the electron
undergoes circular motion. Find the radius r of the electron\'s
path, and the frequency f of the motion.

An electron enters uniform magnetic field B= 0.20 T at angle 45
degrees to B with speed v=2.8*10^6 m/s. Find pitch (distance
between loops) of the electron's helical path.

An electron moves in a circular path perpendicular to a magnetic
field of magnitude 0.265 T. If the kinetic energy of the electron
is 4.50 ✕ 10−19 J, find the speed of the electron and
the radius of the circular path.
(a) the speed of the electron
m/s
(b) the radius of the circular path
μm

A charged particle enters a uniform magnetic field and follows
the circular path shown in the drawing. The particle's speed is 167
m/s, the magnitude of the magnetic field is 0.707 T, and the radius
of the path is 659 m. Determine the mass of the particle, given
that its charge has a magnitude of 6.68 × 10-4 C.
'

An electron follows a helical path in a uniform magnetic field
of magnitude 0.400 T. The pitch of the path is 4.02 μm, and the
magnitude of the magnetic force on the electron is 1.86 ×
10-15N. What is the electron's speed?

10- A particle moving at speed of 3x105 m/s enters
perpendicularly in to a uniform magnetic field of 0.10 tesla .what
is the magnitude and the direction of magnetic force acting on the
particle by the magnetic field . a) The particle is an electron. b)
The particle is a proton.

When a charged particle enters a region of uniform magnetic
field that is directed perpendicularly to the particle's velocity,
the charged particle...
follows a curved trajectory of constant radius of curvature.
continues in straight-line motion.
follows a curved trajectory that is in the shape of a
parabola.

An
electron (mass 9.11x kg) travels at 2x10^5 m/s to the left. A
magnetic field of magnitude 1.2 T points out of the page.
a) What is the force (magnitude and direction) on the
electron?
b) What is the acceleration of the electron?
c) If the magnetic field is uniform in this region, the
electron will follow a circular path. What is the radius of the
circle?
Please enter your answers in the space below and email your
work

An electron enters a magnetic field of 0.14 T with a velocity
perpendicular to the direction of the field. What is the value f
×10-10, where f is the frequency (in Hz) at which the electron
traverse a circular path?

An electron of kinetic energy 1.73 keV circles in a plane
perpendicular to a uniform magnetic field. The orbit radius is 21.2
cm. Find (a) the electron's speed,
(b) the magnetic field magnitude,
(c) the circling frequency, and
(d) the period of the motion.

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