What is TEM mode? What is the pattern of electric and magnetic fields in a coaxial line?
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- I HAVE ATTCHED IMAGE WITH QUESTION!!! Two long parallel wires are 14 cm apart. What equal currents must be in the wires if the magnetic field halfway between them is to have a magnitude of 250 μT in the positive y direction (up in the figure)? Must the current be "parallel" or "antiparallel"?Each option only used once and refers to maxwells eqndnillan Learning Activity on the Sun, such as solar flares and coronal mass ejections, hurls large numbers of charged particles into space. When the particles reach Earth, they can interfere with communications and the power grid by causing electromagnetic induction. For example, a current of millions of amps (known as the auroral electrojet) that runs approximately 100 km above Earth's surface can be perturbed. The change in the current causes a change in the magnetic field it produces at Earth's surface, which induces an emf along Earth's surface and in the power grid (which is grounded). Induced electric fields as high as 6.0 V/km have been measured. We can model the circuit at Earth's surface as a rectangular loop made up of the power lines completed by a path through the ground beneath. We can treat the magnetic field created by the electrojet as being uniform (but not constant) and parallel to Earth's surface near the surface. Consider a 1.0-km-long stretch of power line that is…
- What Hall voltage is produced by a 0.180-T field applied across a 2.6-cm diameter aorta when blood velocity is 55.0 cm/s? (in mV)A circular piece of wire with radius 0.3 m has a 14.2 T magnetic field passing through at an angle of 58 degrees away from normal. What is the magnetic flux through this ring?