(Solved):
A Wheatstone bridge has \( R 1=3.5 \mathrm{k} \Omega, R 2=7 \mathrm{k} \Omega \), and \( R 3=5.51 ...
A Wheatstone bridge has \( R 1=3.5 \mathrm{k} \Omega, R 2=7 \mathrm{k} \Omega \), and \( R 3=5.51 \mathrm{k} \Omega \). Determine the resistance in \( A D \) arm of wheatstone bridge so that bridge is balanced.