# tee201/05: The voltage difference π£(π‘) across the device shown: Electrical Circuit And Power Assignment, WOU, Singapore

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 University Wawasan Open University (WOU) Malaysia Subject tee201/05: Electrical Circuit And Power

Assignment Brief:

(a) The voltage difference π£(π‘) across the device shown in Figure 1 is given by π£(π‘) = 4πβ3π‘οΏ½

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(i) Find the current π(π‘) through the device.
(ii) Find the charge delivered to the device between π‘ = 0π  and π‘ = 1π .
(iii) Calculate the power absorbed by the device.

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

(i) Briefly explain Ohmβs Law.
(ii) By using Ohmβs Law, find the current, I1.
(iii) By using the voltage division rule, find the voltage, V0

(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.

Question 2(a) By referring to Figure 4, answer the following questions:
(i) Find the voltage, ππ₯ across the dependent source by using Kirchhoffβs
law and Ohmβs law.

(ii) Find the power supplied or absorbed by the 4π voltage source.

(b) Find RAB in the network shown in Figure 5

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

Figure 6

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 4πΌπ¦ dependent voltage source.

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

Question 4 (a) Use Nortonβs Theorem to find V0 in the network shown in Figure 9

(b) Use the superposition theorem to find the value of the voltage Vx in Figure 10. Show all the necessary steps in your calculation.

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