For the series-parallel network below caluate the following. Express your answer in polar notation + V₂ - WWW R₂ = 80 I = 5 AZ0° Z₁ = |L= V₂ = pf = + R₁ ww 202 ZT Z 2 L Xc HE 4 Ω XL1 moo 6Ω lagging or leading WW R3 = 80 Ω moo X1₂ = 3 Ω I ° units ° units ° units

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.

A battery is comprised of 7 cells connected in parallel, each cell has an EMF with 1.4V and an internal resistance of 0.55 ohm. There is a 5.8 ohm load connected to the terminals. Solve for ILoad.