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  2. Electrostatic fieldmeter - Wikipedia

    en.wikipedia.org/wiki/Electrostatic_Fieldmeter

    A digital electrostatic fieldmeter for measuring electrostatic charges. An electrostatic fieldmeter, also called a static meter is a tool used in the static control industry. It is used for non-contact measurement of electrostatic charge on an object.

  3. Electrostatics - Wikipedia

    en.wikipedia.org/wiki/Electrostatics

    Therefore, the electrostatic field everywhere inside a conductive object is zero, and the electrostatic potential is constant. The electric field, , in units of Newtons per Coulomb or volts per meter, is a vector field that can be defined everywhere, except at the location of point charges (where it diverges to infinity). [8]

  4. Field strength meter - Wikipedia

    en.wikipedia.org/wiki/Field_strength_meter

    In telecommunications, a field strength meter is an instrument that measures the electric field strength emanating from a transmitter. The relation between the electric field and the transmitted power

  5. Electrostatic voltmeter - Wikipedia

    en.wikipedia.org/wiki/Electrostatic_voltmeter

    An electrostatic voltmeter uses the attraction force between two charged surfaces to create a deflection of a pointer directly calibrated in volts. Since the attraction force is the same regardless of the polarity of the charged surfaces (as long as the charge is opposite), the electrostatic voltmeter can measure DC voltages of either polarity.

  6. Atmospheric electricity - Wikipedia

    en.wikipedia.org/wiki/Atmospheric_electricity

    Objects protruding these fields, e.g. flowers and trees, can increase the electric field strength to several kilovolts per meter. [19] These near-surface electrostatic forces are detected by organisms such as the bumblebee to navigate to flowers [19] and the spider to initiate dispersal by ballooning.

  7. National Severe Storms Laboratory - Wikipedia

    en.wikipedia.org/wiki/National_Severe_Storms...

    NSSL's Field Observing Facilities and Support group (FOFS) is responsible for a device called an Electric Field Meter (EFM) that is attached, along with other instruments, to a special research balloon and launched into thunderstorms. As they are carried up through electrified storms, these EFMs are designed to measure the strength and ...

  8. Comb drive - Wikipedia

    en.wikipedia.org/wiki/Comb_drive

    The attractive electrostatic forces are created when a voltage is applied between the static and moving combs causing them to be drawn together. The force developed by the actuator is proportional to the change in capacitance between the two combs, increasing with driving voltage, the number of comb teeth, and the gap between the teeth.

  9. Sector mass spectrometer - Wikipedia

    en.wikipedia.org/wiki/Sector_mass_spectrometer

    where E is the electric field strength, B is the magnetic field induction, q is the charge of the particle, v is its current velocity (expressed as a vector), and × is the cross product. So the force on an ion in a linear homogenous electric field (an electric sector) is: =,