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Q: Why 4 probe is used instead of 2 probe to find the resistivity?
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What are Disadvantages of two probe method to measure resistivity?

volume of material used


Where can you find an used Ford Probe to purchase?

at a used ford probe store? that or eBay


What is a scanning probe microscope used for?

A scanning probe microscope is used for observing, studying and measuring surfaces on a fine scale to the level of atoms and molecules. One can find more information about these on Wikipedia.


Where can one find Probe cars?

One may find "Ford Probe" cars by using the services of "Auto Trader". The publication will have used vehicles vehicles for sale by the owner in both a paper and digital format.


Why is copper used for electricial wiring?

Because copper has a very low electrical resistivity of 16.78 nΩ·m, meaning it's easier for electricity to pass through it. For comparison, nickel has a resistivity of 69.3 nΩ·m and iron's resistivity is 96.1 nΩ·m.


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A pH probe is a device used to measure the acidity of a solution.


Is resistivity the same for all materials with the same length?

Yes, because the resistivity does not depends on the length of any materials. Resistivity is constant.-Ariel DUmancas-No. The resistance in different materials is different. For example, Copper has a low resistance to electricity compared to plastic. This is also one reason why copper is used instead of plastic in wires. Knowing the resistance of different material helps decide what material should be use for different objects (like copper for wires in plastics)


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What is a Cassini probe used for?

The Cassini--Huygens space probe will be used to study the planet Saturn and it's respective satellites .


The uses of earth resistance measurement?

Measuring the resistivity of earth/soil is used in archaeology. The resistivity of different materials allows a 2-D image of foundations, ditches etc to be constructed.


What is a probe scienific?

Probes are used to test what is actually hapening compared to what is expected to hapen. That is why probe is scientific


What is the uses of probe?

James reid