In layman's term, How do electromagnetic fields detach themselves from wires and propagate through space? please Provide a detailed answer, preferrably with an example. Thank you
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In layman's term, How do
please Provide a detailed answer, preferrably with an example. Thank you.
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- nillan 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…An electric field of 1.51 kV/m and a perpendicular magnetic field of 0.413 T act on a moving electron to produce no net force. What is the electron's speed?two parts to a single question
- Please AsapFields of an electron At a particular instant a proton is at the origin, moving with velocity m/s. At this instant: (a) What is the electric field at location m, due to the proton? E = N/C (b) What is the magnetic field at the same location due to the proton? B= TQuestion 3) A) An electromagnetic flowmeter is to be used to measure blood speed. A magnetic field of 0.175 T is applied across an artery of inner diameter 3.80 mm. The Hall voltage is measured to be 91.4 μV. What is the average speed of the blood flowing in the artery? B) A sodium ion (Na+) moves along with the blood in an artery of diameter 1.00 cm. The ion has mass 22.99 u and charge +e. The maximum blood speed in the artery is 6.05 m/s. Earth’s magnetic field in the location of the patient has magnitude 32.8 μT. What is the greatest possible magnetic force on the sodium ion due to Earth’s field?
- A charged particle, passing through a certain region of space, has a velocity whose magnitude and direction remain constant.(a) If it is known that the external magnetic field is zero everywhere in this region, can you conclude that the external electric field is also zero?Draw diagrams showing the following: (a) The electric field around a positive charge (b) The electric field between two parallel plates with the upper plate being negative (c) The magnetic field around a bar magnet (d) The magnetic field around a horizontal straight current-carrying conductor that has current travelling to the right