Assignment Brief: (a) The voltage difference 𝑣(𝑡) across the device shown in Figure 1 is given by 𝑣(𝑡) = 4𝑒−3𝑡�

Assignment Brief:

(a) The voltage difference 𝑣(𝑡) across the device shown in Figure 1 is given by 𝑣(𝑡) = 4𝑒−3𝑡�

 

tee201/05: The voltage difference 𝑣(𝑡) across the device shown: Electrical Circuit And Power Assignment

 

 

 

 

(i) Find the current 𝑖(𝑡) through the device.
(ii) Find the charge delivered to the device between 𝑡 = 0𝑠 and 𝑡 = 1𝑠.
(iii) Calculate the power absorbed by the device.

(b) By referring to Figure 2, answer the following questions:

(i) Briefly explain Ohm’s Law.
(ii) By using Ohm’s Law, find the current, I1.
(iii) By using the voltage division rule, find the voltage, V0tee201/05: The voltage difference 𝑣(𝑡) across the device shown: Electrical Circuit And Power Assignment

 

 

(c) Answer the following questions based on Figure 3.

(i) Identify which elements in Figure 3 are supplying power and which are
dissipating power.
(ii) Determine the power dissipated or supplied for each element.tee201/05: The voltage difference 𝑣(𝑡) across the device shown: Electrical Circuit And Power Assignment

 

 

 

Question 2(a) By referring to Figure 4, answer the following questions:
(i) Find the voltage, 𝑉𝑥 across the dependent source by using Kirchhoff’s
law and Ohm’s law.

(ii) Find the power supplied or absorbed by the 4𝑉 voltage source.

tee201/05: The voltage difference 𝑣(𝑡) across the device shown: Electrical Circuit And Power Assignment

 

 

 

 

(b) Find RAB in the network shown in Figure 5tee201/05: The voltage difference 𝑣(𝑡) across the device shown: Electrical Circuit And Power Assignment

 

 

 

(c) By using mesh analysis, solve I1 and I2 for the circuit shown in

Figure 6

tee201/05: The voltage difference 𝑣(𝑡) across the device shown: Electrical Circuit And Power Assignment

 

 

 

Question 3
(a) (i) By using nodal analysis, solve the node voltages for the circuit shown in Figure 7.

(ii) Find the power of the 4𝐼𝑦 dependent voltage source.

tee201/05: The voltage difference 𝑣(𝑡) across the device shown: Electrical Circuit And Power Assignment

 

 

 

 

(b) Find the Thevenin equivalent circuit of the circuit in Figure 8 with respect to terminals a and b.

tee201/05: The voltage difference 𝑣(𝑡) across the device shown: Electrical Circuit And Power Assignment

 

 

 

 

Question 4 (a) Use Norton’s Theorem to find V0 in the network shown in Figure 9

tee201/05: The voltage difference 𝑣(𝑡) across the device shown: Electrical Circuit And Power Assignment

 

 

 

(b) Use the superposition theorem to find the value of the voltage Vx in Figure 10. Show all the necessary steps in your calculation.tee201/05: The voltage difference 𝑣(𝑡) across the device shown: Electrical Circuit And Power Assignment

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