Exam Details
| Subject | fundamental of electrical and electronics engineering | |
| Paper | ||
| Exam / Course | b.tech | |
| Department | ||
| Organization | Institute Of Aeronautical Engineering | |
| Position | ||
| Exam Date | July, 2018 | |
| City, State | telangana, hyderabad |
Question Paper
Hall Ticket No Question Paper Code: AEE001
INSTITUTE OF AERONAUTICAL ENGINEERING
(Autonomous)
B.Tech II Semester End Examinations (Supplementary) July, 2018
Regulation: IARE R16
FUNDAMENTAL OF ELECTRICAL AND ELECTRONICS ENGINEERING
Time: 3 Hours (Common to CSE IT) Max Marks: 70
Answer ONE Question from each Unit
All Questions Carry Equal Marks
All parts of the question must be answered in one place only
UNIT I
1. State and explain Kirchhoff's laws with an example.
Calculate the voltage that is to be connected across terminals X-Y in Figure 1 such that the
voltage across the 2
resistor is 10V. Also find Ia and Ib.
Figure 1
2. Prove that the energy stored in a capacitor EL 0.5LI2.
Derive an expression for finding the equivalent capacitance when 'n'capacitors are connected in
series.
UNIT II
3. Define and explain the following terms: Twigs Co-tree Links Branch.
Determine the basic cutset matrix for the oriented graph given in Figure 2 where in the elements
1,2 and 3 are tree branches.
Figure 2
Page 1 of 2
4. State Super position theorem and explain it with a suitable example.
Using Thevenin's theorem, determine the current through load impedance ZL 5-j5 of the
network shown in Figure 3. Find the power consumed by the load.
Figure 3
UNIT III
5. Obtain the relationship between line and phase quantiities of voltage and current in a balanced
three phase star connected system.
A coil having resistance of 5Ω and inductance of 30mH in series are connected across a 230V,
50Hz supply. Calculate the current, power factor and power consumed.
6. Derive an expression to find the bandwidth of a series RLC circuit.
Find the value of to have a resonant frequency of 4500 rad/sec for the network shown in
Figure 4.
Figure 4
UNIT IV
7. Explain the various breakdown mechanisms present in a p-n junction when a reverse bias is
applied.
With a neat diagram explain the working principle of a full wave bridge rectifier. Mention its
value of ripple factor and PIV.
8. Draw the circuit diagram of a full wave rectifier. Explain the operation of the circuit with relevant
waveforms.
Explain the working of a Diode as a switch and Zener diode as a voltage regulator.
UNIT V
9. List the comparison between CB, CC and CE amplifiers.
Explain the working of a PNP transistor.
10. Explain the constructional details of a BJT.
Calculate the dc and dc for the given transistor for which Ic 5mA; IB 50AandICO
INSTITUTE OF AERONAUTICAL ENGINEERING
(Autonomous)
B.Tech II Semester End Examinations (Supplementary) July, 2018
Regulation: IARE R16
FUNDAMENTAL OF ELECTRICAL AND ELECTRONICS ENGINEERING
Time: 3 Hours (Common to CSE IT) Max Marks: 70
Answer ONE Question from each Unit
All Questions Carry Equal Marks
All parts of the question must be answered in one place only
UNIT I
1. State and explain Kirchhoff's laws with an example.
Calculate the voltage that is to be connected across terminals X-Y in Figure 1 such that the
voltage across the 2
resistor is 10V. Also find Ia and Ib.
Figure 1
2. Prove that the energy stored in a capacitor EL 0.5LI2.
Derive an expression for finding the equivalent capacitance when 'n'capacitors are connected in
series.
UNIT II
3. Define and explain the following terms: Twigs Co-tree Links Branch.
Determine the basic cutset matrix for the oriented graph given in Figure 2 where in the elements
1,2 and 3 are tree branches.
Figure 2
Page 1 of 2
4. State Super position theorem and explain it with a suitable example.
Using Thevenin's theorem, determine the current through load impedance ZL 5-j5 of the
network shown in Figure 3. Find the power consumed by the load.
Figure 3
UNIT III
5. Obtain the relationship between line and phase quantiities of voltage and current in a balanced
three phase star connected system.
A coil having resistance of 5Ω and inductance of 30mH in series are connected across a 230V,
50Hz supply. Calculate the current, power factor and power consumed.
6. Derive an expression to find the bandwidth of a series RLC circuit.
Find the value of to have a resonant frequency of 4500 rad/sec for the network shown in
Figure 4.
Figure 4
UNIT IV
7. Explain the various breakdown mechanisms present in a p-n junction when a reverse bias is
applied.
With a neat diagram explain the working principle of a full wave bridge rectifier. Mention its
value of ripple factor and PIV.
8. Draw the circuit diagram of a full wave rectifier. Explain the operation of the circuit with relevant
waveforms.
Explain the working of a Diode as a switch and Zener diode as a voltage regulator.
UNIT V
9. List the comparison between CB, CC and CE amplifiers.
Explain the working of a PNP transistor.
10. Explain the constructional details of a BJT.
Calculate the dc and dc for the given transistor for which Ic 5mA; IB 50AandICO
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