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Kelvin bridge: Quiz


Question 1: It is used to measure an unknown ________ below 1 Ω.
Electrical conductionElectric currentElectrical impedanceElectrical resistance

Question 2: Often, ohmmeters include Kelvin bridges, amongst other ________, in order to obtain large measure ranges, for example, the Valhalla 4100 ATC Low-Range Ohmmeter
ForceTemperatureEnergyMeasuring instrument

Question 3: Resistance R should be as low as possible (much lower than the measured value) and for that reason is usually made as a short thick rod of solid ________.

Question 4: A Kelvin bridge (also called a Kelvin double bridge and some countries Thomson bridge) is a measuring instrument invented by ________.
William Thomson, 1st Baron KelvinSir George Stokes, 1st BaronetIsaac NewtonJames Prescott Joule

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