Q. 11 : Electron moves in uniform magnetic field perpendicular to direction of field. The magnitude of field is 35.21 × 10-6 T. Calculate the in which it will perform one revolution.
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- 9. The uniform 30 mT magnetic field in figure points in the positive z-direction. An electron enters the region of magnetic field with a speed of 3.0 x 106 m/s and at an angle of = 30° above the xy-plane. Find the radius r and the pitch p of the electron's spiral trajectory. z ALA small rod magnet has a magnetic field at a distance from it as large as Hom B = 2nz3 Where z is the distance from the magnet on the axis connecting the north pole and south, m is the moment of magnetic dipole. Assuming electrons orbit protons like small rod magnets, determine the m magnetic dipole of an electron orbiting an atom.A 2.0 µC positive charge of speed 6.0 × 106 m/s is moving in a 0.30 T magnetic field, the magnetic field and the charge's velocity are in the same direction as shown. What is the magnitude of the magnetic force on the charge, in Newtons? Your answer needs to have 2 significant figures, including the negative sign in your answer if needed. Do not include the positive sign if the answer is positive. No unit is needed in your answer, it is already given in the question statement. B +
- 7. An electron is accelerated through 2.40 × 103 V from w rest and then enters a uniform 1.70-T magnetic field. What are (a) the maximum and (b) the minimum val- ues of the magnetic force this particle experiences? volocityI of =A charged particle is introduced into a uniform magnetic field Bz = 0.5 mTesla with an initial velocity vx = 1 x 106 m/s. It’s subsequent trajectory describes a circle with radius r = 2.4 cm. What is the specific charge q/m of this particle in terms of e/m = 1.67 x 1011C/kg? Select one: a. 2e/m b. 3e/m c. e/3m d. e/2m