EGR203 Electric/Electronic Circuits Assignment 4

  1. Use Multisim to simulate the following two circuits involving a lamp and a led. Submit a document showing screen shots with the lamp or led on and with the device off. Your name should appear on the circuit.

  2. Find the unknown voltages Vx and Vy using the Node–Voltage method.
    VsR1R2 R3R4R5
    9 V50 Ω200 Ω 160 Ω120 Ω150 Ω

  3. Use Multisim to solve the above circuit. Insert probes to measure the unknown voltages. Submit a screen shot showing your results.

  4. Given the following circuit, find Vx and Vy. Use either method.

    VaIb R1R2R3R4R5
    VoltsAmpsohmsohmsohmsohmsohms
    90.1150604012060

  5. Given the following circuit, with

    R1R2R3VaVb
    ohmsohmsohmsVoltsVolts
    220400780129

    1. find i1 and i2 and Vx using the mesh current technique
    2. Find the power of each voltage source.
    3. Find the power dissipated by the resistor R3.

  6. Given the following circuit, find the unknown voltages.

    Is R1R2R3R4R5
    Ampsohmsohmsohmsohmsohms
    21520101230

  7. Given the following circuit, with

    R1R2R3R4R5 VaVb
    ohmsohmsohmsohmsohmsVoltsVolts
    200300500400200 30 20

    1. Solve for Ia and Ib using the node voltage method.
    2. Find the power generated by each source.


Maintained by John Loomis, last updated 31 January 2013