08:32 ☑ < Block Test Assign... 96% Q : 4. Solutions to this assignment should be submitted via Google Classroom by the due date. 5. No late submissions will be accepted. 6. A cover page should accompany your submission. 7. You will be penalized if you fail to adhere to instructions. MARK ALLOCATION Question Question 1 Question 2 Marks 15 10 Question 1 a) Determine Thévenin's equivalent circuit for the circuit shown in Figure 1. given that, is the load of interest. 1000 480 F [15] Question 2 10/45° V 1 kHz 33002 ли 22002 Figure 1 ZL 75 mH Given the circuit of an ideal OPAMP, as shown in Figure 2, determine the output voltage phasor V [10] V 2.50/30.0° V f=1.00 kHz 1.00 ΚΩ Figure 2 470 nF OV 2/3 3/3 08:32 f 4G 46.6% Block Assignment... ♡ Q : 2. Show all working. 3. Plagiarized assignments will score zero. 4. Solutions to this assignment should be submitted via Google Classroom by the due date. 5. No late submissions will be accepted. 6. A cover page should accompany your submission. 7. You will be penalized if you fail to adhere to instructions. MARK ALLOCATION Question Question 1 Question 2 Marks 15 10 Question 1 Three inductive loads each of resistance 75.0 2 and inductance 318.4 mH are connected in delta to a 400 V, 50 Hz, 3-phase supply. Answer the following: a) Determine the phase voltage. b) Determine the phase current. c) Determine the line current. [5] [5] nnn Question 2 Three 68 resistors are connected to a 400 V, 3-phase supply. Answer the following: a) What is the total power dissipated when they are connected in star configuration? b) What is the total power dissipated when they are connected in delta configuration? [5] [5] 2/3