How can anyone answer this? be's
An alternating current is sent through the detector which creates an electromagnetic field. A piece of metal will disrupt this field and is detected by the magnetometer or another coil.
There is a process for making spherical metal balls where the metal is suspended in an electromagnetic field while the metal is added then cooled.
One which responds to the disruption of a magnetic field.
An electromagnetic sensor is a device that detects or measures electromagnetic fields or waves. These sensors can be used for various purposes such as detecting metal objects in proximity sensors or measuring the magnetic field strength in compasses.
Not really. You could have both an electric field and a magnetic field occupying the same space at the same time but they wouldn't 'make the definition' of electromagnetic until they began to fluxuate in phase at a harmonized frequency.
Metal detectors use one of three technologies. Either very low frequency, pulse induction, and Beat-free oscillation. Metal detectors work by creating an electromagnetic feild. This is done by running current through a coil at the head of the metal detector (the part you point at the ground). When there is metal, the changes in the magnetic feild are picked up by a second receiver coil.
No, it is not safe to put a magnet in the microwave. The microwave's electromagnetic field can cause the magnet to spark or catch fire, damaging the microwave and posing a fire hazard. It is best to avoid putting any metal objects, including magnets, in the microwave.
When light falls on a metal, its rapidly changing electromagnetic field induces similar motions in the more loosely etc.
The polarization of an electromagnetic field is defined as the direction of its E field (electrostatic).
An electromagnetic field is a physical field produced by electrically charged objects. The field can be viewed as the combination of an electric field and a magnetic field. The electromagnetic field may be viewed in two distinct ways: a continuous structure or a discrete structure.
The fringing field in electromagnetic field theory is important because it represents the field outside the main region of interest, providing valuable information about the behavior of the electromagnetic field. Understanding the fringing field helps in accurately predicting the interactions and effects of electromagnetic fields in various applications, such as in antennas, sensors, and electronic devices.
An electromagnetic field is caused by electric charges in motion. When charged particles move, they create a type of energy called electromagnetic radiation, which generates an electromagnetic field. This field consists of both electric and magnetic components, propagating outwards from the moving charges.