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  2. EMF measurement - Wikipedia

    en.wikipedia.org/wiki/EMF_measurement

    EMF measurement. Electric field probe FP2000 (range 100 kHz – 2137 MHz) EMF measurements are measurements of ambient (surrounding) electromagnetic fields that are performed using particular sensors or probes, such as EMF meters. These probes can be generally considered as antennas although with different characteristics.

  3. Electrosmart - Wikipedia

    en.wikipedia.org/wiki/Electrosmart

    Electrosmart is an Android application which measures the radio-frequency electromagnetic waves emitting from various sources like mobile phones (cellular networks i.e., 2G, 3G, 4G, 5G), WiFi access points, Bluetooth devices, etc. [2] The app uses the antenna of mobile phones to calculate the pollution of waves and order them according to the power of that particular source.

  4. Ghost hunting - Wikipedia

    en.wikipedia.org/wiki/Ghost_hunting

    Ghostbusters. Ghostbusters is a 1984 American fantasy comedy film produced and directed by Ivan Reitman and written by Dan Aykroyd and Harold Ramis. It stars Bill Murray, Aykroyd and Ramis as Peter Venkman, Ray Stantz and Egon Spengler, eccentric parapsychologists who start a ghost-catching business in New York City.

  5. Electromotive force - Wikipedia

    en.wikipedia.org/wiki/Electromotive_force

    e. In electromagnetism and electronics, electromotive force (also electromotance, abbreviated emf, [1][2] denoted ) is an energy transfer to an electric circuit per unit of electric charge, measured in volts. Devices called electrical transducers provide an emf [3] by converting other forms of energy into electrical energy. [3]

  6. Electromagnetic shielding - Wikipedia

    en.wikipedia.org/wiki/Electromagnetic_shielding

    Electromagnetic shielding that blocks radio frequency (RF) electromagnetic radiation is also known as RF shielding. EMF shielding serves to minimize electromagnetic interference. The shielding can reduce the coupling of radio waves, electromagnetic fields, and electrostatic fields. A conductive enclosure used to block electrostatic fields is ...

  7. List of equipment of the Philippine Army - Wikipedia

    en.wikipedia.org/wiki/List_of_equipment_of_the...

    1,149 120 2. 651 units of KM-450 trucks were purchased by AFP in 2007 (603 for Army, the rest shared by General Headquarters and Philippine Air Force), and 137 units in December 2010. [ 44 ][ 45 ] 190 more were delivered in 2013. 60 units of KM-451 were purchased by AFP in 2012, of which 48 went to the Army.

  8. Passive infrared sensor - Wikipedia

    en.wikipedia.org/wiki/Passive_infrared_sensor

    A passive infrared sensor (PIR sensor) is an electronic sensor that measures infrared (IR) light radiating from objects in its field of view. They are most often used in PIR-based motion detectors. PIR sensors are commonly used in security alarms and automatic lighting applications. PIR sensors detect general movement, but do not give ...

  9. Electromagnetic coil - Wikipedia

    en.wikipedia.org/wiki/Electromagnetic_coil

    Electromagnetic coil. The magnetic field lines (green) of a current-carrying loop of wire pass through the center of the loop, concentrating the field there. An electromagnetic coil is an electrical conductor such as a wire in the shape of a coil (spiral or helix). [1][2] Electromagnetic coils are used in electrical engineering, in applications ...

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