Wheat Stone Bridge
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Wheatstone bridge is a special circuit consisting of 5 resistors. When the resistances in the adjacent arms have the same ratio, no current flows through the middle resistor! This is called a balanced Wheatstone bridge.
It's used in calculating unknown resistances using a meter-bridge set up.
A SIMPLE explanation of a Wheatstone Bridge. We go over the working principle of a Wheatstone Bridge, and the circuit, formulas and theory behind how it works.