EGR203 Electric/Electronic Circuits Assignment 3

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 V_x and V_y using the Node–Voltage method.

   Vs	R1	R2	R3	R4	R5
   9 V	50 Ω	200 Ω	160 Ω	120 Ω	150 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 V_x and V_y. Use either method.

   Va	Ib	R1	R2	R3	R4	R5
   Volts	Amps	ohms	ohms	ohms	ohms	ohms
   6	0.1	20	30	10	20	30

   

5. Given the following circuit, with

   R1	R2	R3	Va	Vb
   ohms	ohms	ohms	Volts	Volts
   100	500	800	10	16

   1. find i₁ and i₂ and V_x using the mesh current technique
   2. Find the power of each voltage source.
   3. Find the power dissipated by the 500 ohm resistor.

   

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

   Is	R1	R2	R3	R4	R5
   Amps	ohms	ohms	ohms	ohms	ohms
   10	10	5	10	5	20

   

7. Given the following circuit, with

   R1	R2	R3	R4	R5	Va	Vb
   ohms	ohms	ohms	ohms	ohms	Volts	Volts
   200	300	400	600	800	20	30

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

   

Maintained by John Loomis, last updated 4 February 2011