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  2. Four-terminal sensing - Wikipedia

    en.wikipedia.org/wiki/Four-terminal_sensing

    Four-point measurement of resistance between voltage sense connections 2 and 3. Current is supplied via force connections 1 and 4. In electrical engineering, four-terminal sensing (4T sensing), 4-wire sensing, or 4-point probes method is an electrical impedance measuring technique that uses separate pairs of current-carrying and voltage-sensing electrodes to make more accurate measurements ...

  3. Node (circuits) - Wikipedia

    en.wikipedia.org/wiki/Node_(circuits)

    There are some notable exceptions where the voltage difference is large enough to become significant: High-precision resistance measurements using a Kelvin connection; The difference in voltage between ground and neutral, between the neutral wire and the ground in domestic AC power plugs and sockets, can be fatal. A properly installed ...

  4. Current sensing - Wikipedia

    en.wikipedia.org/wiki/Current_sensing

    In electrical engineering, current sensing is any one of several techniques used to measure electric current. The measurement of current ranges from picoamps to tens of thousands of amperes. The selection of a current sensing method depends on requirements such as magnitude, accuracy, bandwidth, robustness, cost, isolation or size. The current ...

  5. Kelvin connection - Wikipedia

    en.wikipedia.org/?title=Kelvin_connection&...

    Language links are at the top of the page. Search. Search

  6. Glossary of power electronics - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_power_electronics

    A converter connection such that the current through each of the phase terminals of the AC circuit is unidirectional. snubber (circuit) A subcircuit connected to one or more electronic valve devices in order to relieve it (them) of stress as for instance overvoltage transients, switching losses, high rate of rise of current or voltage, etc. [ad]

  7. Ampere balance - Wikipedia

    en.wikipedia.org/wiki/Ampere_balance

    Slider of Kelvin's ampere balance. Approximate readings may be obtained by reading the position of the weight on the scale, or a more accurate reading may be obtained as follows: The upper edge of the shelf on which the weights slide is graduated into equal divisions, and the weight is provided with a sharp tongue of metal in order that its position on the shelf may be accurately determined.

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  9. Bridge circuit - Wikipedia

    en.wikipedia.org/wiki/Bridge_circuit

    In power supply design, a bridge circuit or bridge rectifier is an arrangement of diodes or similar devices used to rectify an electric current, i.e. to convert it from an unknown or alternating polarity to a direct current of known polarity. In some motor controllers, an H-bridge is used to control the direction the motor turns.

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