EGR203 Electric/Electronic Circuits Assignment 2(a)

1. Find the power delivered to the load resistor R_L below using node-voltage analysis, given that R₁ = 2 Ω, R₂ = R_L = 4 Ω, V_s = 4 V, and I_s = 0.5 A.

   

2. Find the voltage V_L across R_L given the values and circuit below. Do the problem either by node or mesh analysis. Which method is easier?

   IS	VS	R1	R2	R3	RL
   2 A	3 V	2 Ω	2 Ω	4 Ω	3 Ω

   

3. (Rizzoni 3.18) Using mesh current analysis, find the voltage V across the current source in the circuit below.

   VS	IS	R1	R2	R3	R4	R5
   2 V	2 A	2 Ω	3 Ω	1 Ω	3 Ω	2 Ω

   

4. Given the following circuit, with

   R1	R2	R3	Va	Vb
   ohms	ohms	ohms	Volts	Volts
   220	400	780	12	9

   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 resistor R₃.

   

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

   Is	R1	R2	R3	R4	R5
   Amps	ohms	ohms	ohms	ohms	ohms
   2	15	20	10	12	30

   

6. Given the following circuit, with

   R1	R2	R3	R4	R5	Va	Vb
   ohms	ohms	ohms	ohms	ohms	Volts	Volts
   200	300	500	400	200	30	20

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

   

7. Verify any two of the above problems with Multisim.

Maintained by John Loomis, last updated 16 September 2014