An electron of kinetic energy 1.44 keV circles in a plane perpendicular to a uni

Question

An electron of kinetic energy 1.44 keV circles in a plane perpendicular to a uniform magnetic field. The orbit radius is 33.4 cm. Find (a) the electron's speed, (b) the magnetic field magnitude, (c) the circling frequency (in Hz), and (d) the period of the motion.

(a)

Number

Units

(b)

Number

Units

(c)

Number

Units

(d)

Number

Units

(a)

Number

Units

An electron of kinetic energy 1.44 keV circles in a plane perpendicular to a uniform magnetic field. The orbit radius is 33.4 cm. Find (a) the electron's speed, (b) the magnetic field magnitude, (c) the circling frequency (in Hz), and (d) the period of the motion.

Explanation / Answer

1/2mv^2=1.44kev
1 electron volt = 1.60217646

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