By using it derive an expression for magnetic field intensity at a point due to a straight current carrying conductor. View Solution What happens to the magnetic field lines due to a current- carrying conductor when the current is reversed? View Solution...
The activity confirmed the theoretical descriptions of magnetic reconnection. But it has violated the standard law governing the behavior of plasmas, clouds of charged particles that comprise, for example, the solar wind. "The 'plasma frozen-in law' says electrons and magnetic fields have to move ...
If you place the north pole of a magnet near the north pole of another magnet, the two magnets will attempt to push away from each other. What Happens to the Magnetic Poles When You Break a Magnet? Some people assume that breaking a magnet in half will separate its poles, with one ...
What happens to the brightness of light emitted by a light bulb when the current in the filament increases? How the light comes from the Sun to the Earth? What is the SI unit of the Dispersive power of the prism? What is strain energy?
The elements are ionized at these high temperatures. Now the earth spins about its own axis once every 24 hours. Therefore the positive ions spin around and thereby constitute a current loop. Associated with the current loop there is a magnetic field. This is the geo-magnetic fiel...
Laj and other paleomagnetists spent the decade roving the world, accumulating records of times when the magnetic field reversed itself, switching north pole for south and then back again. But even as their databases grew, the study of geomagnetic reversals foundered for lack of new theories to ...
gravitational waves. Our results also suggest that there should be a delay of the order of a second between the formation of a long-lived remnant and the time it could launch a jet because we expect the magnetic field to be trapped inside the star due to the absence of convection," ...
3. Is the Riemann hypothesis true? 3.黎曼猜想是真的吗? Chemistry 化学 1. Are there more color pigments to discover? 1.还有更多色彩元素可发现吗? 2. Will the periodic table ever be complete? 2.元素周期表会完整吗? 3. How can we measure interface phenomena on the microscopic level?
What happens to a magnetic compass at the magnetic poles? Near the magnetic poles, a magnetic compass may not function correctly due to the vertical inclination of the magnetic field. 5 How do magnetic anomalies affect a magnetic compass? Magnetic anomalies can cause the compass needle to deviate...
The exception is things like electrical wires. There’s an equal amount of positive and negative charge in the wires, so the magnetic force is all that’s left. But this all begs the question; how fast do the particles have to be moving so that the magnetic field they generate to pull...