Find the magnetic field at a point z>R on the axis of a charged rotating sphere.
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Find the magnetic field at a point z>R on the axis of a charged rotating sphere.
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- Two magnetic dipoles m1 = m1ˆz and m2 = m2ˆz lie on the z axis, separated by adistance r. Find the force of attraction between themA proton describes a circular orbit of radius 27 cm perpendicular to a magnetic field of modulus 1.0 T. Find: (a) the modulus of its velocity (in m/s); (b) the period of its motion (in sec) ; and (c) its kinetic energy (in MeV).A long straight wire carries a current of 7 A to the right of page. Find the magnitude and direction of the magnetic field at a distance of 8 cm below the wire.
- when a positively charged particle travelling horizontally with speed V enters a region having a uniform magnetic field that is directed vertically downward the initial force on the particle is F. if a second identical particle travelling in the same direction with speed V/3 enters this field, what will be the force on it?A proton moves perpendicular to a uniform magneticfield B→at a speed of 1.00 x 107 m/s and undergoes an accelerationof 2.00 x 1013 m/s2 in the positive x - direction whenits velocity is in the positive z - direction. Determine the magnitudeand direction of the field.Consider a circular wire loop of radius a located in the yz plane and carrying a steady current I as shown. Calculate the magnetic field at an axial point P a distance x from the center of the loop.
- The current in a long, straight conductor has the following form:I(t) = I0cos ωtWhat is the magnitude of the magnetic field a distance r away from theconductor?Find the torque exerted on a small magnetic dipole with a magnetic moment of 1.9 ✕ 10−4 A · m2 along the +y-direction in a region of magnetic field of 1.6 T oriented along the +z-axis. Find the magnitude and direction.A proton acclerated from rest through a voltage of 750 V enters a region of constant magnetic field. if the proton follows a circular path with a radius of 27cm, what ia the magnitude of the magnetic field? Sketch wiith all vectors (v, B, F, a)