Basic Electrical Engineering — Minor 2024 question paper

Paper details

• Subject: Basic Electrical Engineering (BEE-110)
• Branch: Mechanical Engineering
• Semester: 1
• Exam: Minor 2024
• Questions: 12

Questions asked in Basic Electrical Engineering Minor 2024

1. Q1. Attempt any Two parts of the following.
2. Q1(a). Find the currents in the various branches of the circuit shown in Fig.1 by Nodal analysis. [4 marks]
3. Q1(b). Explain resonance in a series RLC circuit including the resonance curve. Derive the equation for the resonant frequency. Additionally, define the Q-factor and bandwidth of a series resonant circuit. [4 marks]
4. Q1(c). Write the Statement of superposition theorem. In the network shown in Fig2, find the different branch currents by superposition theorem. [4 marks]
5. Q2. Attempt any Two parts of the following.
6. Q2(a). State and prove the Maximum Power Transfer Theorem including the condition for maximum power delivery to a load [3 marks]
7. Q2(b). State and explain Thevenins Theorem, including the steps to find the Thevenins equivalent circuit and provide an example. [3 marks]
8. Q2(c). A Wheatstone bridge has the following details AB = 20 ohm BC = 24 ohm CD = 5 ohm DA = 50 ohm and BD = 30 ohm A de source of 220V is connected between A and C with A positive. Determine the resistance between terminals A and C and the current delivered by the source using delta star transformation. [3 marks]
9. Q3. Attempt any Two parts of the following.
10. Q3(a). What are the advantages of three-phase over single-phase AC systems? [3 marks]
11. Q3(b). A coil having a resistance of 7 ohm and an inductance of 31.8 mH is connected to 230 V ,50 Hz supply. Calculate (i) the circuit current (ii) phase angle (iii) power factor (iv) power consumed and (v) voltage drop across resistor and inductor. [3 marks]
12. Q3(c). Find the average value and rms value for half wave rectified alternating current. [3 marks]