you dont, just take a nail and a wire and put it together with a battery.
An MRI machine is an example of an electromagnetic device, using magnetic fields and radio waves to produce detailed images of the inside of the body.
Iron
A microwave Faraday cage can shield electronic devices from electromagnetic interference by blocking external electromagnetic waves from reaching the device. The cage is made of conductive material that absorbs and redirects the electromagnetic waves, preventing them from affecting the device inside. This protection helps to maintain the functionality and performance of the electronic device.
No, a device that breaks light into colors and produces an image of the spectrum is called a spectroscope. The electromagnetic spectrum refers to the range of all possible frequencies of electromagnetic radiation.
Pacemakers are programmed externally with a handheld electromagnetic device.
Faraday cage.
a simple machine is a mechanical device
Heat Lamp. Is a lamp that shines heat energy ( electromagnetic Energy) into the form of heat.
soft iron
blood pressure monitor
An actinometer is a device used to maesure the heating power of electromagnetic radiation.
The total subject is "the device"; the simple subject is "device".