They are found in measurement often, such circuits must function in systems where only a positive rail is available.
29+ Bridge Circuit Systems
Pics. Bridge circuits are among the most elemental and powerful electrical tools. They are found in measurement often, such circuits must function in systems where only a positive rail is available.
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Dc bridges are useful for measuring the value of unknown resistance, which is present in the bridge. H bridge circuit is the arrangement of electronic switches in a pattern that forms the letter ''h' in inverter systems, h bridges are mostly used for pure sine inverters with only few modified sine wave. Ac bridge circuits are used in phase shifting and for the filtration of undesirable signals.
Without the galvanometer, the bridge circuit just looks like a voltage divider circuit as shown in the figure below.
Wheatstone bridge circuits measure an unknown electrical resistance by balancing two legs—one with the unknown component—of a bridge circuit. Control systems make use of bridge circuits for industrial applications. Bridge circuits are among the most elemental and powerful electrical tools. The bridge circuit is generally used in control applications.
