1) What is the potential value of a reference or datum node used in the node analysis of a network?
a. Zero
b. Unity
c. Greater than zero but less than infinity
d. Unpredictable
|
2) What will be the value of equivalent single source, if the two voltage sources connected in series combination possess equal or similar polarity?
a. Addition of two sources with polarities similar to that of two sources
b. Addition of two sources with opposite polarity
c. Difference between the two sources with polarities similar to that of two sources
d. Difference between the two sources with polarities similar to that of greater among the two sources
|
Answer
Explanation
Related Ques
|
ANSWER: Addition of two sources with polarities similar to that of two sources
Explanation:
No explanation is available for this question!
|
|
3) What should be the value of resistance for the circuit diagram shown below?
a. Zero
b. Infinity
c. Unity
d. Cannot be predicted
|
4) What should be the value of I2 in accordance to mesh current method for the below drawn circuit diagram?
a. 1.39 A
b. 1.63 A
c. 2.33 A
d. 5 A
|
5) Which among the following is also regarded as 'Dual of Thevenin's Theorem'?
a. Norton's Theorem
b. Superposition Theorem
c. Millman's Theorem
d. Maximum Power Transfer Theorem
|
6) What would be the nature of 'ZL', if 'Zeq' reactance is inductive according to 'Maximum power transfer theorem'?
a. Inductive
b. Capacitive
c. Resistive
d. All of the above
|
7) Which value of load impedance (ZL) is necessary to be connected across the terminals R-S for maximum power transfer in the network shown below ?
a. 5 + j5 Ω
b. 5 - j5 Ω
c. 10 + j10 Ω
d. 10 - j10 Ω
|
8) What is the value of impedance 'Z2' according to Miller's theorem for the network shown below?
a. Z.K /K-1
b. Z /1-K
c. Z /K-1
d. Z-1 /K
|
9) What will be the number of trees, if the graph exhibits reduction in the form of reduced incident matrix given below?
a. 16
b. 24
c. 26
d. 28
|
10) How many fundamental cutsets will be generated for a graph with 'n' number of nodes?
a. n+1
b. n-1
c. n2(n-1)
d. n/ n-1
|
11) Which parameter should be essentially equal to the number of nodes in the network in accordance to the principle of duality?
a. Total impedance
b. Total admittance
c. Number of meshes
d. Number of voltage sources
|
12) Consider the assertions given below. Which among them do/does not specify/ies the property of 'Complete Incidence Matrix'?
a. Determinant of a loop of a complete incidence matrix is always zero
b. Addition of all entries in any column should never be equal to zero
c. Rank of connected or oriented graph is always 'n-1'
d. All of the above
|
Answer
Explanation
Related Ques
|
ANSWER: Addition of all entries in any column should never be equal to zero
Explanation:
No explanation is available for this question!
|
|
13) Which type of network response exhibits its behaviour by taking into consideration the effect of time associated with it?
a. Zero input response
b. Zero state response
c. Both a and b
d. None of the above
|
14) From the diagram given below showing characteristics of voltage across resistor and inductor with respect to time, what conclusion can be drawn due to exponential growth of current through inductor?
a. Voltage across resistor and inductor increases
b. Voltage across resistor and inductor decreases
c. Voltage across resistor increases but decreases across inductor
d. Voltage across resistor decreases but increases across inductor
|
Answer
Explanation
Related Ques
|
ANSWER: Voltage across resistor increases but decreases across inductor
Explanation:
No explanation is available for this question!
|
|
15) Consider the circuit drawn below. What would be the value of i(0-) especially when the inductor acts as a short circuit?
a. 0.3 A
b. 2 A
c. 5 A
d. 10 A
|
16) How many seconds will be required for the current i(t) to become one half of its initial value after t = 0 in the below drawn network
a. 866 μs
b. 1039 μs
c. 1200 μs
d. 1849 μs
|
17) How do the series resonant circuit behave under the resonance condition?
a. Current amplifier
b. Transconductance
c. Voltage regulator
d. Voltage amplifier
|
18) If an a.c. signal generator drives a series RLC circuit, then the circuit undergoes resonance only due to variation in __________
a. Supply voltage
b. Series resistance
c. Supply frequency
d. Phase angle
|
19) The current leads supply voltage if a series resonant circuit exhibits its operation__________ the resonant frequency
a. Above
b. Below
c. Equal to
d. None of the above
|
20) What would be the value of impedance of a parallel resonant circuit at antiresonance condition?
a. Resistive & maximum
b. Resistive & minimum
c. Reactive & maximum
d. Reactive & minimum
|
21) What would be the characteristic impedance of a T-section for symmetrical network shown below?
a. 300.15 ohm
b. 529.15 ohm
c. 715.15 ohm
d. 900.15 ohm
|
22) Consider the symmetrical T-network shown below. What will be the value of propagation constant, if characteristic impedance is estimated to be Z0 = 850.64 ohm?
a. 0.2824 neper
b. 0.1412 neper
c. 0.0706 neper
d. 0.0353 neper
|
23) Consider the below mentioned assumptions of two symmetrical T networks in cascade configuration. What will be the value of current flowing through terminating impedance for the network configuration shown below?
Assumptions:
n = -2,
? = 1.5,
Is = 0.6 A
a. 0.0112 A
b. 0.0298 A
c. 0.04145 A
d. 0.0812 A
|
24) If a network comprises purely resistive elements, what will it provide from the following?
a. Attenuation
b. Phase Shift
c. Both a and b
d. None of the above
|
25) What do the high pass filters generally comprise of?
A. Capacitive series arm
B. Capacitive shunt arm
C. Inductive series arm
D. Inductive shunt arm
a. A & D
b. A & C
c. B & C
d. B & D
|
26) For the design of prototype high pass filter T section, what would be the value of inductor if design impedance and cut-off frequency are 600 ohm and 1500 Hz respectively?
a. 19.89 mH
b. 31.83 mH
c. 40.13 mH
d. 51.83 mH
|
27) In band elimination filter, the frequency of resonance of individual arms is geometric _________
a. Mean of two cut-off frequencies
b. Difference of two cut-off frequencies
c. Product of two cut-off frequencies
d. Division of two cut-off frequencies
|
28) Which value of 'm' is selected in a composite filter, while connecting the terminating sections in order to acquire proper impedance matching and constant characteristic impedance throughout the passband?
a. 0.3
b. 0.6
c. 0.9
d. 0.12
|
29) Referring to the schematic of symmetrical π attenuator below, what will be the computational value of attenuation in neper, if D = 20 dB & R0 = 400 ohm?
a. 10
b. 20
c. 40
d. 80
|
30) Why are the variable attenuators applicable for radio broadcasting purposes?
a. For speed control
b. For volume control
c. For time control
d. For power control
|
31) With reference to the diagram shown below, by how many instants is the ramp function shifted or delayed?
a. T
b. t - T
c. 1
d. -T
|
32) Consider a function f(t) that satisfies the differential equation given below. What equation will be generated by taking Laplace transform and replacing the terms f(0-) & f'(0-) by zero?
[d2 f(t) / dt2] + 5 [df(t) / dt ] + 6 f (t) = 10
a. [S2 F(s) + 5s F(s)+6 F(s)] = 10/s
b. [S2 F(s) + 5s F(s) - 6 F(s)] = 10/s
c. [S2 F(s) - 5s F(s) + 6 F(s)] = 10/s
d. [S2 F(s) - 5s F(s) - 6 F(s)] = 10/s
|
33) In accordance to Laplace domain theory, the transform admittance of resistance is _______
a. Impedance
b. Conductance
c. Inductance
d. Capacitance
|
34) From the circuit diagram shown below, what would be the value of transform impedance of a single capacitor in Laplace domain?
a. 1 / sC
b. sC
c. sC - 1
d. sC / 1+ sC
|
35) What does the value of constant 'k' represent in the factorized form of network equation given below?
H(s) = [k (s – z1) (s – z2) ----- (s – zm)] / [(s – p1) (s – p2) ….. (s – pn)]
A. System gain factor
B. Scale factor
C. Vector factor
D. System quality factor
a. A & B
b. C & D
c. A & C
d. B & D
|
36) If the complex system function is analytic in nature, the points in s-plane are regarded as ________
a. Ordinary points
b. Singular points
c. Multiple points
d. All of the above
|
37) Which among the following belong/s to the category of critical frequency?
a. Poles
b. Zeros
c. Both a and b
d. None of the above
|
38) What is an ideal value of network function at poles?
a. Zero
b. Unity
c. Infinity
d. Finite and non-zero
|
39) Which elements act as an independent variables in Y-parameters?
a. Current
b. Voltage
c. Both a and b
d. None of the above
|
40) Which among the following is regarded as short circuit forward transfer admittance?
a. y11
b. y12
c. y21
d. y22
|
