what is Wheatstone bridge?1
where we can apply it?
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Wheatstone Bridge Circuit Applications:
Measuring Resistance
Electronic Sensing
Light detector circuit
To measure variations in light intensity, pressure or strain.
A Wheatstone bridge is an electrical circuit used to measure an unknown electrical resistance by balancing two legs of a bridge circuit, one leg of which includes the unknown component. The primary benefit of a wheatstone bridge is its ability to provide extremely accurate measurements (in contrast with something like a simple voltage divider). Its operation is similar to the original potentiometer.
Measuring Resistance
Electronic Sensing
Light detector circuit
To measure variations in light intensity, pressure or strain.
A Wheatstone bridge is an electrical circuit used to measure an unknown electrical resistance by balancing two legs of a bridge circuit, one leg of which includes the unknown component. The primary benefit of a wheatstone bridge is its ability to provide extremely accurate measurements (in contrast with something like a simple voltage divider). Its operation is similar to the original potentiometer.
A wheatstone bridbe is balanced when there is no deflection in the galvanometer i.e., no current flows through the galvanometer.
The balancing condition is given by P/Q=R/S
The balancing condition is given by P/Q=R/S
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wlcm
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It is the circuit of five resistance from where the current from the R5 remains zore under balanced condition.
what is the required condition
???
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