A beam of protons traveling at 1.20 km/s enters a uniform magnetic field, travel

Question

A beam of protons traveling at 1.20 km/s enters a uniform magnetic field, traveling perpendicular to the field. The beam exits the magnetic field, leaving the field in a direction perpendicular to its original direction (the figure (Figure 1) ). The beam travels a distance of 1.40 cm while in the field.

What is the magnitude of the magnetic field?

Exercise 27.24 A beam of protons traveling at 1.20 km/s enters a uniform magnetic field, traveling perpendicular to the field. The beam exits the magnetic field, leaving the field in a direction perpendicular to its original direction (the figure (Figure 1)). The beam travels a distance of 1.40 cm while in the field. of 1 Figure 1 Part A What is the magnitude of the magnetic field? BE 0.5 10 3 Submit My Answers Give Up incorrect; Try Again Provide F

Explanation / Answer

here,

speed of proton , v = 1.2 km/s

v = 1200 m/s

let the radius of path be r

pi * r /2 = 1.4

r = 0.89 cm = 0.0089 m

let the feild be B

r = m * v /( q * B)

0.0089 = 1.67 * 10^-27 * 1200 /( 1.6 * 10^-19 * B)

B = 1.4 * 10^-3 T

the magnitude of magnetic feild is 1.4 * 10^-3 T

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