Download JNTUK (Jawaharlal Nehru Technological University Kakinada (JNTU kakinada)) B-Tech 2020 R19 EEE Circuit Theory Model Previous Question Paper
[B19EE1201]
I B. Tech II Semester (R19) Regular Examinations
CIRCUIT THEORY
(Electrical & Electronics Engineering)
MODEL QUESTION PAPER
TIME: 3Hrs. Max. Marks: 75 M
Answer ONE Question from EACH UNIT.
All questions carry equal marks.
*****
CO KL M
UNIT-I
1. a). Simplify the given network by using Y- ? transformation and obtain
equivalent resistance across X-Y terminals.
CO1 K4 8
b). Obtainthe single equivalent srcenetwork across the terminals A -B make
use of srce transformation technique.
CO1 K3 7
OR
2. a). resistor using nodal analysis.
CO1 K3 8
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18
[B19EE1201]
I B. Tech II Semester (R19) Regular Examinations
CIRCUIT THEORY
(Electrical & Electronics Engineering)
MODEL QUESTION PAPER
TIME: 3Hrs. Max. Marks: 75 M
Answer ONE Question from EACH UNIT.
All questions carry equal marks.
*****
CO KL M
UNIT-I
1. a). Simplify the given network by using Y- ? transformation and obtain
equivalent resistance across X-Y terminals.
CO1 K4 8
b). Obtainthe single equivalent srcenetwork across the terminals A -B make
use of srce transformation technique.
CO1 K3 7
OR
2. a). resistor using nodal analysis.
CO1 K3 8
19
b). shown below.
CO1 K3 7
UNIT-II
3. a). Explain Faraday?s Law of Electromagnetic Induction CO2 K2 8
b). For the magnetic circuit shown calculate the exciting current required to
establish a flux of 2 mWb in the air-gap and relative permeability of the core
is 2000. Neglecting fringing and leakage flux
CO2 K4 7
OR
4. a). Write abt the Analogy between Magnetic Circuit and Electrical Circuit CO2 K2 8
b). For the following Circuit find ?? 1
and ?? 2
, if ?? 1
=0.4H, ?? 2
=2.5H coefficient of
cpling K=0.6 and ?? 1
=4?? 2
=20cos(500t-200)Ma
CO2 K4 7
UNIT-III
5. a). define the following:
i) Amplitude of an alternating quantity
ii) Instantanes value of an alternating quantity
iii) Frequency
iv) RMS value
CO3 K1 8
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18
[B19EE1201]
I B. Tech II Semester (R19) Regular Examinations
CIRCUIT THEORY
(Electrical & Electronics Engineering)
MODEL QUESTION PAPER
TIME: 3Hrs. Max. Marks: 75 M
Answer ONE Question from EACH UNIT.
All questions carry equal marks.
*****
CO KL M
UNIT-I
1. a). Simplify the given network by using Y- ? transformation and obtain
equivalent resistance across X-Y terminals.
CO1 K4 8
b). Obtainthe single equivalent srcenetwork across the terminals A -B make
use of srce transformation technique.
CO1 K3 7
OR
2. a). resistor using nodal analysis.
CO1 K3 8
19
b). shown below.
CO1 K3 7
UNIT-II
3. a). Explain Faraday?s Law of Electromagnetic Induction CO2 K2 8
b). For the magnetic circuit shown calculate the exciting current required to
establish a flux of 2 mWb in the air-gap and relative permeability of the core
is 2000. Neglecting fringing and leakage flux
CO2 K4 7
OR
4. a). Write abt the Analogy between Magnetic Circuit and Electrical Circuit CO2 K2 8
b). For the following Circuit find ?? 1
and ?? 2
, if ?? 1
=0.4H, ?? 2
=2.5H coefficient of
cpling K=0.6 and ?? 1
=4?? 2
=20cos(500t-200)Ma
CO2 K4 7
UNIT-III
5. a). define the following:
i) Amplitude of an alternating quantity
ii) Instantanes value of an alternating quantity
iii) Frequency
iv) RMS value
CO3 K1 8
20
b). Two impedances, (1+j1)ohm and (1-j1)ohm are connected in parallel across a
10V srce. Find the power supplied by the srce.
CO3 K4 7
OR
6. a). An impedance of (3+j5) is connected across a 10V, 50Hz srce. Find (i)
power factor (ii) real and reactive power (iii) current drawn by the impedance.
CO3 K1 8
b). A R-L series circuit draws a current of 1A when connected across a 10V,
50Hz AC. supply. Assuming the resistance to be 5 ohms, find the
inductance of the circuit. What is its power factor?
CO3 K1 7
UNIT-IV
7. a). Define Quality factor, Band width with respect to parallel RLC circuit and
draw the characteristics of parallel RLC circuit at resonance.
CO4 K1 8
b). For the following circuit compute average power delivered to each of the
passive elements.
CO4 K4 7
OR
8. a). For the following circuit plot locus of the current, mark the range current for
maximum and minimum values of R and maximum power consumed by
circuit.Assume ?? ?? = 25 Ohm .The voltage is 200V,50Hz.
CO4 K4 8
b). A series RLC circuit with R=10 Ohm, L=0.1 H and C=50 ?F has an applied
voltage V=50?0 with a variable frequency .Find the resonant frequency, the
value of frequency at which maximum voltage occurs across the inductor and
the value of frequency at which maximum voltage occurs across the
capacitor.
CO4 K4 7
FirstRanker.com - FirstRanker's Choice
18
[B19EE1201]
I B. Tech II Semester (R19) Regular Examinations
CIRCUIT THEORY
(Electrical & Electronics Engineering)
MODEL QUESTION PAPER
TIME: 3Hrs. Max. Marks: 75 M
Answer ONE Question from EACH UNIT.
All questions carry equal marks.
*****
CO KL M
UNIT-I
1. a). Simplify the given network by using Y- ? transformation and obtain
equivalent resistance across X-Y terminals.
CO1 K4 8
b). Obtainthe single equivalent srcenetwork across the terminals A -B make
use of srce transformation technique.
CO1 K3 7
OR
2. a). resistor using nodal analysis.
CO1 K3 8
19
b). shown below.
CO1 K3 7
UNIT-II
3. a). Explain Faraday?s Law of Electromagnetic Induction CO2 K2 8
b). For the magnetic circuit shown calculate the exciting current required to
establish a flux of 2 mWb in the air-gap and relative permeability of the core
is 2000. Neglecting fringing and leakage flux
CO2 K4 7
OR
4. a). Write abt the Analogy between Magnetic Circuit and Electrical Circuit CO2 K2 8
b). For the following Circuit find ?? 1
and ?? 2
, if ?? 1
=0.4H, ?? 2
=2.5H coefficient of
cpling K=0.6 and ?? 1
=4?? 2
=20cos(500t-200)Ma
CO2 K4 7
UNIT-III
5. a). define the following:
i) Amplitude of an alternating quantity
ii) Instantanes value of an alternating quantity
iii) Frequency
iv) RMS value
CO3 K1 8
20
b). Two impedances, (1+j1)ohm and (1-j1)ohm are connected in parallel across a
10V srce. Find the power supplied by the srce.
CO3 K4 7
OR
6. a). An impedance of (3+j5) is connected across a 10V, 50Hz srce. Find (i)
power factor (ii) real and reactive power (iii) current drawn by the impedance.
CO3 K1 8
b). A R-L series circuit draws a current of 1A when connected across a 10V,
50Hz AC. supply. Assuming the resistance to be 5 ohms, find the
inductance of the circuit. What is its power factor?
CO3 K1 7
UNIT-IV
7. a). Define Quality factor, Band width with respect to parallel RLC circuit and
draw the characteristics of parallel RLC circuit at resonance.
CO4 K1 8
b). For the following circuit compute average power delivered to each of the
passive elements.
CO4 K4 7
OR
8. a). For the following circuit plot locus of the current, mark the range current for
maximum and minimum values of R and maximum power consumed by
circuit.Assume ?? ?? = 25 Ohm .The voltage is 200V,50Hz.
CO4 K4 8
b). A series RLC circuit with R=10 Ohm, L=0.1 H and C=50 ?F has an applied
voltage V=50?0 with a variable frequency .Find the resonant frequency, the
value of frequency at which maximum voltage occurs across the inductor and
the value of frequency at which maximum voltage occurs across the
capacitor.
CO4 K4 7
21
UNIT-V
9. a). Find current I in the given circuit making use of super position theorem.
CO5 K3 8
b). Determine the value of R to have a maximum power transfer in the circuit
shown below. Also obtain the amnt of maximum power.
CO5 K3 7
OR
10. a). Determine thevenin?s equivalent circuit across a-b terminals
CO5 K3 8
b). Determine the maximum power delivered to the load in the circuit shown in
below fig.
CO5 K2 7
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This post was last modified on 28 April 2020