Exam Details
| Subject | Circuits and Networks | |
| Paper | ||
| Exam / Course | Diploma In Electronics And Communication Engineering (DECVI)/ Advanced Level Certificate Course In Electronics And Communication Engineering (ACEVI)/ | |
| Department | School of Engineering & Technology (SOET) | |
| Organization | indira gandhi national open university | |
| Position | ||
| Exam Date | December, 2015 | |
| City, State | new delhi, |
Question Paper
1. Choose the correct alternative.
The Laplace transform of is
1/s
1
Three inductances of 4 H each are connected in series. The equivalent inductance is 2
llH
64 H
12 H
10 H
If a circuit element has the capability of enhancing the energy level of a signal passing through it, it is called a/an
passive element
active element
Both active and passive
Either passive or active
The frequency that separates the pass band and the attenuation band is known as frequency.
Q-factor of a series resonating circuit is
Q 1/woRC
Q 1/R sqrt(L/C)
Both and
None of the above
ABCD parameters are also known as parameters.
The current in any inductor is given by
L integral of dt
1/L integral of dt
L.d/dt integral of
L^2 integral of dt
Calculate the power loss across the 10 ohm resistor using Thevenin's theorem for the circuit shown in Figure 1.
<img src='./qimages/13297-2a.jpg'>
Find V by superposition theorem in Figure 2.
<img src='./qimages/13297-2b.jpg'>
A series LCR circuit has inductance of 10 mH and resistance of 2 ohm. What is the value of capacitance that will produce resonance at 15·9 kHz
Define figure of merit, current bandwidth, impedance and selectivity in series resonance.
In a series RC circuit, the resistance is of 2 ohm while the capacitor is of 1/4 f. Find the transfer function of the voltage and the drop across the capacitor assuming the supply voltage to be tu(t).
Find in Figure 3. Assume zero initial response.
Design a constant k high pass filter having fc kHz and design impedance, Ro =600 ohm section).
Design a constant k low pass filter having fc 2 kHz and design impedance Ro =600 ohm. Obtain the value of attenuation
at 4kHz.
Obtain the transfer function in Figure 4.
<img src='./qimages/13297-6a.jpg'>
In the network of Figure find the pole-zero plot.
<img src='./qimages/13297-6b.jpg'>
Derive the Reciprocity condition of Y parameter.
Find the Z-parameters for the network shown in Figure 6.
<img src='./qimages/13297-7b.jpg'>
8. Write short notes on any four of the following:
Applications of Resonance Circuits
Norton's Theorem
Hybrid Parameters
Attenuators
Parallel Resonance
The Laplace transform of is
1/s
1
Three inductances of 4 H each are connected in series. The equivalent inductance is 2
llH
64 H
12 H
10 H
If a circuit element has the capability of enhancing the energy level of a signal passing through it, it is called a/an
passive element
active element
Both active and passive
Either passive or active
The frequency that separates the pass band and the attenuation band is known as frequency.
Q-factor of a series resonating circuit is
Q 1/woRC
Q 1/R sqrt(L/C)
Both and
None of the above
ABCD parameters are also known as parameters.
The current in any inductor is given by
L integral of dt
1/L integral of dt
L.d/dt integral of
L^2 integral of dt
Calculate the power loss across the 10 ohm resistor using Thevenin's theorem for the circuit shown in Figure 1.
<img src='./qimages/13297-2a.jpg'>
Find V by superposition theorem in Figure 2.
<img src='./qimages/13297-2b.jpg'>
A series LCR circuit has inductance of 10 mH and resistance of 2 ohm. What is the value of capacitance that will produce resonance at 15·9 kHz
Define figure of merit, current bandwidth, impedance and selectivity in series resonance.
In a series RC circuit, the resistance is of 2 ohm while the capacitor is of 1/4 f. Find the transfer function of the voltage and the drop across the capacitor assuming the supply voltage to be tu(t).
Find in Figure 3. Assume zero initial response.
Design a constant k high pass filter having fc kHz and design impedance, Ro =600 ohm section).
Design a constant k low pass filter having fc 2 kHz and design impedance Ro =600 ohm. Obtain the value of attenuation
at 4kHz.
Obtain the transfer function in Figure 4.
<img src='./qimages/13297-6a.jpg'>
In the network of Figure find the pole-zero plot.
<img src='./qimages/13297-6b.jpg'>
Derive the Reciprocity condition of Y parameter.
Find the Z-parameters for the network shown in Figure 6.
<img src='./qimages/13297-7b.jpg'>
8. Write short notes on any four of the following:
Applications of Resonance Circuits
Norton's Theorem
Hybrid Parameters
Attenuators
Parallel Resonance
Other Question Papers
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Subjects
- Advance Microprocessor And Architecture
- Analog And Mixed Mode Vlsi Design
- Analog Communication
- Analog Electronic Circuits
- Analog Integrated Circuits Design
- Antennas And Propagation
- Applied Electronics
- Audio and Video Engineering
- Basic Telematics
- Basics Of Electronics Engineering
- Bio Informatics
- Circuits and Networks
- Computer Architecture
- Computer Communication Networks
- Control Engineering
- Data Communication And Network
- Data Structures
- Device Modelling For Circuit Simulation
- Digital Communication
- Digital Electronics
- Digital Signal Processing
- Digital System Design
- Dip- ECE PCB Design & Testing
- Electromagnetic Field Theory
- Electronic Measurement And Instrumentations
- Electronic Measurement and Instruments
- Electronic Product Design
- Electronic Switching Circuits
- Embedded System Design
- Industrial Electronics
- Information Theory And Coding
- Linear Integrated Circuits
- Maintenance Of Electronic Equipment
- Micro Controller
- Micro Controllers
- Microelectronics Technology
- Microprocessor
- Microprocessor And Its Applications
- Microwave And Radar Engineering
- Modeling And Testing Of Digital Systems
- Multirate Systems
- Nano - Electronics
- Optical Fiber Communication
- Opto Electronics Communication Systems
- Power Electronics
- Principles of Communication Engineering
- Quantum Communication
- Rf Circuits
- Satellite And Tv Engineering
- Signal Compression
- Signals And Systems
- Technical English
- Television Engineering
- Wireless Communication