In the Wheatstone bridge, the value as follows resistance R1= 200Ω is connected between A & C, R2= 800Ω is connected between C & B, R3= 300Ω is connected between A & D, unknown resistance connected between D & B, galvanometer connected between C & D, and power supply 200 V DC connected between A & B. Determine the unknown resistance and draw the circuit diagram.
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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. ... One of the Wheatstone bridge's initial uses was for soils analysis and comparison.
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