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What is a proximity sensor used for?
A proximity sensor is used for detecting close objects by emitting an electromagnetic field. These are useful for detecting objects without touching them.
Consists of changing electric and magnetic fields and can travel through empty space or matter?
An electromagnetic wave.An electromagnetic wave.An electromagnetic wave.An electromagnetic wave.
What is the arrangement of electromagnetic waves according to their wavelengths and frequencies called?
That's called the electromagnetic spectrum.
What is the electromagnetic specturm?
The electromagnetic spectrum is the range of all possible frequencies of electromagnetic radiation.[1] The "electromagnetic spectrum" of an object is the characteristic distribution of electromagnetic radiation emitted or absorbed by that particular object.
What is electromagnetic gravity?
There is no such thing as "electromagnetic gravity".
What is a photodector?
I think you mean photodetector. It is is a sensor of light or other electromagnetic energy.
What is a microwave sensor?
A microwave motion sensor sends out electromagnetic pulses and measures the changes in frequency due to reflection off of a moving object.
What is a proximity sensor used for?
A proximity sensor is used for detecting close objects by emitting an electromagnetic field. These are useful for detecting objects without touching them.
What is a microwave motion sensor?
A microwave motion sensor sends out electromagnetic pulses and measures the changes in frequency due to reflection off of a moving object.
Which type of remote-sensing system records electromagnetic radiation using a satellite-mounted sensor?
a compass
What is photo detector?
A photo detector is a sensor of light or other electromagnetic energy. See the link below for more info.
What is the definition of eletromagnetic?
It depends what you are talking about... Electromagnetic field Electromagnetic force Electromagnetic radiation Electromagnetic spectrum Electromagnetic therapy Electromagnetic waves ...they each have different meanings.
How are electromagnetic waves transfered?
Electromagnetic waves are transferred by electromagnetic radiation.
What is the principle of electromagnetic crane?
the principle on which an electromagnetic crane works is electromagnetic induction
What is a EM sensor?
An EM sensor is an electromagnetic sensor (Hard Tag) used for inventory control in retail stores. They are the tags you find attached to expensive stuff that only come off at the register when you check out. They come in a variety of shapes and sizes. Here is a link to wikipedia explaining everything you ever wanted to know on the subject. http://en.wikipedia.org/wiki/Electronic_article_surveillance
Consists of changing electric and magnetic fields and can travel through empty space or matter?
An electromagnetic wave.An electromagnetic wave.An electromagnetic wave.An electromagnetic wave.
What is the arrangement of electromagnetic waves according to their wavelengths and frequencies called?
That's called the electromagnetic spectrum.
