An Electron with a Speed of 6 $\theta$ To the Magnetic Field Lines

question 8

Multiple Choice

An electron with a speed of 6.00 * 10⁵ m/s enters a uniform magnetic field of 0.0600 T at an angle $\theta$ to the magnetic field lines.The electron will travel in a helical path of radius 4.80 *10^-5 m.Find the angle $\theta$ .

• A)25.3 \(\circ\)
• B)32.3 \(\circ\)
• C)57.6 \(\circ\)
• D)61.4 \(\circ\)

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