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2. Table of handgun and rifle cartridges - Wikipedia

   en.wikipedia.org/wiki/Table_of_handgun_and_rifle...

   Common rifle cartridges, from the largest .50 BMG to the smallest .22 Long Rifle with a $1 United States dollar bill in the background as a reference point.. This is a table of selected pistol/submachine gun and rifle/machine gun cartridges by common name.

3. Sources and sinks - Wikipedia

   en.wikipedia.org/wiki/Sources_and_sinks

   where this time is the charge density, is the current density vector, and is the current source-sink term. The current source and current sinks are where the current density emerges > or vanishes <, respectively (for example, the source and sink can represent the two poles of an electrical battery in a closed circuit).

4. Current source - Wikipedia

   en.wikipedia.org/wiki/Current_source

   A typical example are Howland current source [2] and its derivative Deboo integrator. [3] In the last example (Fig. 1), the Howland current source consists of an input voltage source, V IN, a positive resistor, R, a load (the capacitor, C, acting as impedance Z) and a negative impedance converter INIC (R 1 = R 2 = R 3 = R and the op-amp).

5. Current source density analysis - Wikipedia

   en.wikipedia.org/wiki/Current_source_density...

   The relationship between the sum of the current sources and sinks and the voltage measured by the microelectrode probe may be calculated analytically if it is assumed that the quasi-static assumption holds, that the medium is spherically symmetric, homogeneous, isotropic, and infinite, and if the current source or sink is modeled as a point ...

6. Source measure unit - Wikipedia

   en.wikipedia.org/wiki/Source_measure_unit

   The source measure unit (SMU), or source-measurement unit, is an electronic instrument that is capable of both sourcing and measuring at the same time. It can precisely force voltage or current and simultaneously measure precise voltage and/or current. An SMU instrument can source and sink power in all four quadrants.

7. Keithley Instruments - Wikipedia

   en.wikipedia.org/wiki/Keithley_Instruments

   Keithley Instruments is a measurement and instrument company headquartered in Solon, Ohio, that develops, manufactures, markets, and sells data acquisition products, as well as complete systems for high-volume production and assembly testing.