How To Derive Wheatstone Bridge Formula Complete Guide

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how to derive wheatstone bridge formula. The bridge in a balanced condition is expressed as. The direction of the current can be known from the value of the resistor R2.

Wheatstone Bridge Formula And Circuit With Uses
Wheatstone Bridge Formula And Circuit With Uses from physicsabout.com

The equation of the Wheatstone bridge if R1 R2 R3 and R4 are equal and a voltage VIN is applied between points A and C then the output between points B and D will show no potential difference. As soon as the balance condition is obtained the value of the resistance R X is obtained. Substitute the values of impedances of Maxwells bridge circuit in the above balance equation.

As soon as the balance condition is obtained the value of the resistance R X is obtained.

The direction of the current can be known from the value of the resistor R2. By substituting the value of I 1 and 1 2 in equation 1 we get. Then RxjoLx R2R3 1R1joC1 RxjoLx R2R3R1 joC1R2R3. Figure a shows the usual rhombus representation in which the Wheatstone is used.