- Eng3012 Engineering Science B Ay 2021 22 Examination Semester 2 Section B Long Questions 60 Marks Answer All 4 Questi 1 (55.11 KiB) Viewed 26 times
ENG3012 Engineering Science B AY 2021/22 Examination Semester 2 Section B: Long Questions (60 marks) Answer all 4 questi
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ENG3012 Engineering Science B AY 2021/22 Examination Semester 2 Section B: Long Questions (60 marks) Answer all 4 questi
ENG3012 Engineering Science B AY 2021/22 Examination Semester 2 Section B: Long Questions (60 marks) Answer all 4 questions. Each question carries 15 marks. BI. A DC circuit is shown in Fig B1. A Is 9V R1 R2 R3 R4 B Fig. B1 where R1 = 10 S2, R2 = 20 S2, R3 = 2012, and R4 = 40 22 Calculate (a) the equivalent resistance, Req, of this DC circuit; (5 marks) (b) the total current from the DC supply, i.e. Is; (3 marks) (c) the potential difference(p.d.) across the resistor R4 (VR4); (2 marks) (d) the current flowing through RI (IR); (3 marks) (e) the power dissipated by R1 (Pri). (2 marks)
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