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Wheatstone bridge is used to calculate the resistance of unknown resistor in the circuit.

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15y ago
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14y ago

to measure the unknown resistance

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12y ago

measure the value of a resistance

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Q: State 3 functions of wheatstone bridge?
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What were advantages and disadvantages of wheatstone bridge?

disandvantage:-the wheatstone bridge is not applicable for high resistances advantage:-1)it shows a null measurement(i.e.-potential difference across the end points of the bridge is zero) 2)since it is an arrangement of 4 resistors ...it is useful to find one of them in terms of other 3


Explain the advantages of the wheatstone bridge method of measuring resistance?

The biggest advantage of the Wheatstone bridge is the accuracy of the resistance readings. I had two cables short out underground, by knowing the resistance of the wires per foot I located the fault within 3 feet of where the two wires touched each other.


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A wheatsone bridge is an electrical circuit made from 4 resistors, 3 of a precisely known value and a 4th of unknown value which we want to measure. There is also a volt meter. See Wikipedia link for circuit diagram and more info.


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