Question

uit ure 9 on the protoboard. Since some components are i often referred to as a Series-Parallel circuit. Use the D Vca. Record these values on the Data Sheet and verify VL). Then use the DMM to measure the currents I, I, ing the current with the Ammeter in series with the 150 120 12V+ 100 Figure 9. Circuit 4, a Series-Parallel Circuit.

Answer 1

Taking reference point at 'b' Therefore v_b = 0 v downarrow ground at point ''b k c l at point 'a': - v_a - 12/10 + v_a - 0/120 + v_a - 0/150 = 0 Therefore v_a (1/100 + 1/120 + 1/150) = 12/100 Therefore v_a = 4.8 v Therefore v_a = 4.8 v: v_b = 0 v Therefore I_1 = v_a - 0/150 = 4.8/150 = 0.032 A I_2 = v_a - 0/120 = 4.8/120 = 0.04 A \r\n I-3 = v_b - v_a - (- 12)/100 v_b = 0 v Therefor I-3 = 12 - 4.8/100 = 0.072 A Therefore I_1 = 0.032 A, I_2 = 0.04 A I_1 + I-2 = 0.072 A = I_3 Therefore I-1 + I_2 = I_3 proved from figure v_a - v_c = 12 v Therefore v_c = v_a - 12 v Therefore v_c = 4.8 - 12 = -7.2 v Therefore v_c = -7.2 v