1. What creates a magnetic field? More than one answer may be correct. A. a stationary object with electric charge B. a stationary conductor carrying electric current C. a difference in electric potential D. a charged capacitor disconnected from a battery and at rest ...
What is magnetic field simulation? What creates a magnetic field? What are the properties of a magnetic field? What is a changing magnetic field? What can produce magnetic fields? What does the magnetic field around a solenoid look like?
In unmagnetized materials, magnetic domains face in different directions, canceling each other out. Whereas in magnetized materials, most of these domains are aligned, pointing in the same direction, which creates a magnetic field. The more domains that align together the stronger the magnetic force...
What creates a magnetic field? What is the fundamental source of electromagnetic radiation? What are the components of electromagnetic radiation? What are the properties of a magnetic field? What is scattering in quantum electrodynamics? What can absorb electromagnetic radiation?
3. What creates the Earth's magnetic field (and why does it move)? 3.是什么创造了地球的磁场(为什么它会移动)? 4. Will we be able to predict catastrophic weather events (tsunami, hurricanes, earthquakes) more accurately? 4.我们是否能够更准确地预测灾害性事件(海啸、飓风、地震)?
This difference in potential generates a current flow both inside and outside the neuron, which creates a magnetic field. One such event, however, is still insufficient in generating a magnetic field large enough to be detected even by the mightiest of SQUIDs, so it is thought that the ...
When an electrical device, such as an AC induction motor, is switched on, it experiences a very high, momentary surge of current, referred to as inrush current. When an AC induction motor is started, the supplied voltage creates a magnetic field in the stator, which induces a magnetic fie...
permanent magnets consist of magnetic domains that align randomly. Within each domain, there is some degree of ordering which creates a magnetic field. The interaction of all of the domains in one piece of ferromagnetic material therefore produces the overall, or net, magnetic field for the magnet...
This creates a toroidal, or doughnut-shaped field, as the direction of the field propagates outward from the north pole and enters through the south pole. Earth itself is a giant magnet. The planet gets its magnetic field from circulating electric current within the molten metallic core, ...
it creates an artificial solar eclipse, you could say, when you’re looking through the telescope. This makes the Sun’s corona, or outer atmosphere, much easier to observe. Now it’s true that whenever there’s a total eclipse of the Sun you can see the corona… that outer white ...