Problems 18–22 refer to Fig. 7-31. In Fig. 7-31, assume that the bridge is balanced whe...

Problems 18–22 refer to Fig. 7-31.

In Fig. 7-31, assume that the bridge is balanced whenR1 = 1 k Ω, R2 = 5 k Ω, and R_S = 34,080 Ω. Determine

a. the value of the unknown resistor, R_X.

b. the voltages V_CB and V_DB.

c. the total current, I_T , flowing to and from the voltage source, V_T .