Question
A 10-V voltage is applied across a Wheatstone bridge of Figure 6.13 to measure the value of a variable resistance sensor R1. Arms are fixed
A 10-V voltage is applied across a Wheatstone bridge of Figure 6.13 to measure the value of a variable resistance sensor R1. Arms are fixed at R2 = R4 = 250 ?. Variable resistance arm 3 is adjustedto R3 = 300 ? to achieve a condition of zero current through the galvanometer. What is the value of R1? Should we be concerned about loading errors? Explain or estimate
A R www Ri B C = E ww 12 1 ~1/ R www RA D G
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Answer The value of R1 can be calculated using the Wheatstone bridge equation where R1 is the unknow...
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Differential Equations and Linear Algebra
Authors: Jerry Farlow, James E. Hall, Jean Marie McDill, Beverly H. West
2nd edition
131860615, 978-0131860612
