Fundamentals of Electrical Engg — Minor 2 2020 question paper
MMMUT Electrical Engineering previous year question paper for Fundamentals of Electrical Engg (BEE-151..), semester 1, Minor 2 2020. All 8 questions are listed below, each with a written answer on Nexsus.
Paper details
Subject: Fundamentals of Electrical Engg (BEE-151..)
Branch: Electrical Engineering
Semester: 1
Exam: Minor 2 2020
Questions: 8
Questions asked in Fundamentals of Electrical Engg Minor 2 2020
Q1(a). Find the current in all branches using Mesh Analysis as shown in circuit diagram of figure.1; (Figure 1 shows a bridge-like circuit with a 10V DC source, and resistors of 3 ohm, 9 ohm, 7 ohm, 4 ohm, and 10 ohm). [3 marks]
Q1(b). Find power in load resistance RL under the condition of maximum power transfer, (Circuit consists of a 10V source, 5A current source, and resistors: 3 ohm, 8 ohm, 2 ohm, 1 ohm, 2 ohm and load RL). [2 marks]
Q1(c). Define Super-Position Theorem. Find the current in the resistance of 1 ohm using Super Position theorem, as shown in circuit diagram; (Circuit consists of a 2V source, 2A current source, and resistors: 2 ohm, 3 ohm, 1 ohm, 3 ohm, 2 ohm). [2 marks]
Q2(a). For a circuit voltage v = 200 sin(377t), i = sin(377t - 30 deg); find (i) power factor (ii) Real power (iii) reactive power and (iv) apparent power [3 marks]
Q2(b). Two impedances z_1 = (10 + j5) ohm, z_2 = (6 - j8) ohm are connected in parallel. The total current drawn by circuit is 15 A. Find power dissipated by each impedances. [2 marks]
Q2(c). What is three phase supply system. Derive the expression for power if three phase balanced supply is given to three phase balanced star connected lagging load. Also draw its phasor diagram. [2 marks]
QQ.1. Attempt any Two parts of the following. Q. 1 (a) is compulsory.
QQ.2. Attempt any Two parts of the following. Q. 2 (a) is compulsory.