Parameters are Is = 4e-3 A, R1 = 220 ohms, R2 = 120 ohms, R3 = 82 ohms, Rya = 30 ohms
Wheatstone Io
I
Ir
R
Rz
I#T I3 R3EV -
Given parameters: I, R, R, and R, find:
a) I if R = Rm
b) the new value of R, if I = 0 A. We will call this new value R,
Hints:
1. Use current division on the circuit shown on the right to find I1 and I2. Then use the circuit on the left with KCL to find I3.