Example: find VR3 for the circuit shown in Figure below. If VRI= 18 V and VR2 = 12 V. R1 bas + VR1 5 V R,SVR 30 V(+ R3 +- f VR 15 V

Consider the following resistor network: i₁ = E A, 1₂ = Voltage gain across I is b. Report the voltage gain across the current source I. (Click on the image to enlarge) Suppose R₁ = 60, R₂ = 50, R3 = 142, R₁ = 4, R5 = 4N, E = 28V and I = 6A. Set up and solve a linear system for the loop currents and the voltage across the current source as shown in the online notes. a. Report the loop currents i1, 12 and i3 (positive for clockwise direction). V R₁ A, 23 = R₂. R3 R4 A R5

4. Three of the point charges are placed on the x-axis as shown in figure. Find the net force in the middle charge due to the two other charges. 3.0 μC -5.0 μC 8.0 μC 20 cm 30 сm FE3 FE8

its not graded as before rejected

? R = 1k2; V = 7V. Determine V and V3 %3D V1 = -7V; V3 = -7V .a Vin ikn V V1 = 0; V3 = -7V .b O V1 = 0; V3 = 7V.c O V1 = -14V; V3 = -14V.d O V1 = 0; V3 = 14V.e O

do this question using the MATLAB codes

Solve the circuit in Figure Q2(b) at terminal a-b using Thevenin's Theorem.   iii) Interpret the Thevenin equivalent circuit.

Please see attached screen shot for questions a-f.

Shown in the figure below is an electrical circuit containing three resistors and two batteries. R3 10 R2 R1 Write down the Kirchhoff Junction equation and solve it for I, in terms of I, and Iz. Write the result here: Write down the Kirchhoff Loop equation for a loop that starts at the lower left corner and follows the perimeter of the circuit diagram clockwise. Write down the Kirchhoff Loop equation for a loop that starts at the lower left corner and touches the components R1, R2, and 4V. The resistors in the circuit have the following values: R, = 130 • R2 = 50 R3 = 10 Solve for all the following (some answers may be negative): | Amperes I = I, = Amperes Iz = Amperes NOTE: For the equations, put in resistances and currents SYMBOLICALLY using variables like RR2,R3 and I,,12,13. Use numerical values of 10 and 4 for the voltages.

3. For 6 = 100, VBE = 0.7 V and VE = 4 V, determine a. Ic b. VB C. VCE d. R2 VCc 18V Vcc R1 R3 :1 ΜΩ 2kQ 2 Q1 BJT_NPN_VIRTUAL 3 R4 1.0kQ R2 -w-