Find the diode current in the bridge circuit. Assume that the diode drop is 0.7 V. See Jpeg attachment.
Denote the top node of the bridge by A and the bottom by D. Let the nodes be B (left side) and C (right side) for the cross arm containing the resistance and the diode.
First of all, I am assuming that the ...
Solution is found by finding an equation for the current through the diode from B to C and then applying KCF at node B and C. These two equations can be solved for the 2 unknowns I and VB.