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Dennis_Churaev [7]
3 years ago
10

A cosmic ray electron moves at 7.50×106 m/s perpendicular to the Earth’s magnetic field at an altitude where field strength is 1

.00×10−5 T . What is the radius of the circular path the electron follows?
Physics
1 answer:
wlad13 [49]3 years ago
4 0

Answer:

4.266 m.

Explanation:

Given,

Speed of the electron = 7.50 x 10⁶ m/s

Magnetic field, B = 1 x 10⁻⁵ T

radius of circular path = ?

Using formula of radius of curvature of the charge particle

r = \dfrac{mv}{qB}

m is mass of electron

q is charge of electron

r = \dfrac{9.11 \times 10^{-31}\times 7.50\times 10^6}{1.6\times 10^{-19}\times 1 \times 10^{-5}}

r = 4.266 m

Hence, radius of circular path is equal to 4.266 m.

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