An electron moves horizontally across the Earth’s equator at a speed of 2.50 x 106 m/s and in a direction 35.0° N of E. At this point, the Earth’s magnetic field has a direction due north, is parallel to the surface, and has a value of 3.00 x10-5 T. What is the force acting on the electron due to its interaction with the Earth’s magnetic field? (a) 6.88 x 10-18N due west (b) 6.88 x 10-18 N toward the Earth’s surface (c) 9.83 x 10-18 N toward the Earth’s surface (d) 9.83 x 10-18 N away from the Earth’s surface (e) 4.00 x 10-18 N away from the Earth’s surface.

Q: An electron moves horizontally across the Earth's equator at a speed of 2.50 × 10° m/s and in a…

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Q: An electron moves horizontally across the Earth’sequator at a speed of 2.50 x 106 m/s and in a…

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Q: An electron is shot with a speed of 1×10° m/s along a line that makes an angle of 30° to the x axis…

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Magnetic Field Of Coaxial Cable

The word coaxial means same axis. So for a long straight cable to be coaxial, it must have concentric cylindrical shaped conductor around it. Coaxial cable (popularly called ‘coax’) has various applications ranging from current conductors to radiofrequency signal transmitters. This cable has lower emission losses and provides protection from electromagnetic interference which allows signals with less power to transmit over longer distances.For example, currents produced in the pickup of a stereo turntable generally travel to the amplifier through a coaxial cable.The self-inductance of a coaxial cable is another important characteristic, because it influences the propagation of electrical signals in the cable.