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In any two port network, input impedance is independent of load impedance. | |
A. | TRUE [Wrong Answer] |
B. | FALSE [Correct Answer] |
View Answer
Explanation:-
Answer : B Discuss it below : !! OOPS Login [Click here] is required to post your answer/result |
Also Read Similar Questions Below :
⇒
Both A and R are true and R is correct explanation of A
Both A and R are true and R is not the correct explanation of A
A is true but R is false
A is false but R is true
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5
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6 μF
3 μF
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⇒ In a bipolar transistor
recombination in base regions of both n-p-n and p-n-p transistor is low
recombination in base regions of both n-p-n and p-n-p transistors is high
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recombination in base region of p-n-p transistor is low but that in n-p-n transistor is high
⇒ The equivalent unit of joule is
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1001.1 + 1011.01 = 10100.11
100010 + 1000101 = 1001010
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⇒ 10 in BCD code represent
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⇒ Which of the following does not characterize a ferromagnetic material?
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⇒ If f_{h}(t) is Hilbert transform of f(t), then Hilbert transform of f_{h}(t) is
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⇒ An infinite ladder is constructed with 1 Ω and 2 Ω resistors as shown below. Find i
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⇒ An op-amp is fed from a signal source through resistance R_{1}. If it is to work as sign changer, the feedback resistance R_{f} should be
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⇒ An RLC series circuit is excited by a step voltage E. The circuit current at t = 0 is
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⇒ Which of the following terms are equivalent?
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1 and 3
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⇒ If f(- t) = f(t), the function f(t) has only cosine terms.
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FALSE
⇒ A wire has a resistance R ohm. If another wire of the same material and same weight has double the diameter (as compared to the first wire), the resistance of the second wire will be
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⇒
A-1, B-2, C-3, D-4
A-4, B-3, C-2, D-1
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⇒ An average response rectifier type electronic voltameter has a d.c. voltage of 10 V applied to it. What is the meter reading?
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⇒ The electric field in a TWT due to applied signal
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⇒ Examine the following truth table. The product of sum from this truth tabl
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⇒ The current in a p-n junction diode with V volts applied in p region relative to n region (where I_{0} is reverse saturation current, m is ideality factor, k is Boltzmann's constant, T is absolute temp and q is charge on electron) is
I_{0} (e^{-qV/mkT} - 1)
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I_{0} (e^{qV/mkT})
I_{0} (e^{qV/mkT} - 1)
⇒ A device has two resistances 300 Ω and 200 Ω respectively. The noise voltages due to these two resistance calculated separately are 5.38 μV and 4.38 μV respectively. When both of them are used together, the noise voltage will be
9.76 V
1 μV
23.56 μV
6.94 μV
⇒ A remote control of TV uses a 10 bit word. The maximum number of total commands it can transmit is
64
256
512
1024
⇒
Assertion (A): KCL is dual of KVL.
Reason (R): Node is dual of mesh.
Both A and R are true and R is correct explanation of A
Both A and R are true and R is not the correct explanation of A
A is true but R is false
A is false but R is true
⇒ The number of TV channels which can be accommodated in a spectrum of 300 MHz is about
5
10
50
200
⇒ One can format a disc using window explorer.
TRUE
FALSE
⇒ The capacitors C_{1}, C_{3}, C_{4} and C_{5} have a capacitance of 4 μF each and the capacitor C_{2} has a capacitance of 10 μF. The effective capacitance (in μF) between the points X and Y will
4 μF
6 μF
3 μF
8 μF
⇒ In a bipolar transistor
recombination in base regions of both n-p-n and p-n-p transistor is low
recombination in base regions of both n-p-n and p-n-p transistors is high
recombination in base region of n-p-n transistor is low but that in p-n-p transistor is high
recombination in base region of p-n-p transistor is low but that in n-p-n transistor is high
⇒ The equivalent unit of joule is
newton
newton-meter
newton-metre^{2}
none of the above
⇒ Which binary addition is incorrect?
1001.1 + 1011.01 = 10100.11
100010 + 1000101 = 1001010
0.0011 + 0.1110 = 1.1
1011.01 + 1001.11 = 10111
⇒ 10 in BCD code represent
10100
1100
10111
None of the above
⇒ Which of the following does not characterize a ferromagnetic material?
Coercivity
Permeability
Permittivity
Reluctance
⇒ If f_{h}(t) is Hilbert transform of f(t), then Hilbert transform of f_{h}(t) is
-f(t)
+f(t)
f^{2}(t)
f(t)
⇒ An infinite ladder is constructed with 1 Ω and 2 Ω resistors as shown below. Find i
8.1818 A
0
0.375
cannot be determined
⇒ The quality of a space-link is measured in terms of the __________ ratio.
C/N
S/N
G/T
EIRP
⇒ An op-amp is fed from a signal source through resistance R_{1}. If it is to work as sign changer, the feedback resistance R_{f} should be
equal to R_{1}
twice R_{1}
half R_{1}
either (b) or (c)
⇒ An RLC series circuit is excited by a step voltage E. The circuit current at t = 0 is
E/R
E/LC
zero
infinity
⇒ Which of the following terms are equivalent?
- A ⊕ B ⊕ C
- A ⊕ B ⊙ C
- A ⊙ B ⊕ C
- A ⊙ B ⊙ C
1 and 4; 2 and 3
1 and 3
2 and 3
1, 2 and 4
⇒ If f(- t) = f(t), the function f(t) has only cosine terms.
TRUE
FALSE
⇒ A wire has a resistance R ohm. If another wire of the same material and same weight has double the diameter (as compared to the first wire), the resistance of the second wire will be
0.5 R
0.25 R
0.125 R
R/16
⇒
Match the following:
List I | List II | ||
---|---|---|---|
A. | CLP | 1. | Displays DOS version being used |
B. | MSAV | 2. | Partitions hard disk |
C. | F DISK | 3. | Anti-virus program |
D. | VER | 4. | Cleans screen |
A-1, B-2, C-3, D-4
A-4, B-3, C-2, D-1
A-2, B-3, C-4, D-1
A-2, B-1, C-4, D-3
⇒ An average response rectifier type electronic voltameter has a d.c. voltage of 10 V applied to it. What is the meter reading?
7.1 V
10 V
11.1 V
22.2 V
⇒ In the amplifier circuit of figure h_{fe} = 100 and h_{ie} = 1000 Ω. The voltage gain of amplifier is a
0.33
0.5
0.66
1
⇒ In an n-p-n transistor biased for operation in forward active region
emitter is positive with respect to base
collector is positive with respect to base
base is positive with respect to emitter and collector is positive with respect to base
none of the above
⇒ In a rectifier only a portion of input power is converted into DC power. The rest is AC power.
TRUE
FALSE
⇒ Which of the following is correct (FDM means Frequency Division Multiplexing and TDM means Time Division Multiplexing)?
FDM requires lower bandwidth but TDM has more noise immunity
FDM has more noise immunity and requires lower bandwidth than TDM
FDM requires channel synchronization while TDM has more noise immunity
FDM requires more multiplexing while TDM requires band pass filter
⇒ The electric field in a TWT due to applied signal
is directed along the helix axis
is directed radially from helix axis
is inclined to the helix axis by about 60°
is inclined to the helix axis by about 45°
⇒ Costa's receiver is used for
coherent detection of AM-SC signal
asynchronous detection of AM-SC signal
amplitude modulation of signal
frequency modulation of signal
⇒ Examine the following truth table. The product of sum from this truth tabl
(X + Y) (X + Y)
(X + Y) (X + Y)
(X + Y) (X + Y)
(X + Y) (X + Y)
⇒ The refractive index of E layer, if angle of incidence is 30°
0.5
0.25
0
1
⇒ The current in a p-n junction diode with V volts applied in p region relative to n region (where I_{0} is reverse saturation current, m is ideality factor, k is Boltzmann's constant, T is absolute temp and q is charge on electron) is
I_{0} (e^{-qV/mkT} - 1)
I_{0} e^{-qV/mkT}
I_{0} (e^{qV/mkT})
I_{0} (e^{qV/mkT} - 1)
⇒ A device has two resistances 300 Ω and 200 Ω respectively. The noise voltages due to these two resistance calculated separately are 5.38 μV and 4.38 μV respectively. When both of them are used together, the noise voltage will be
9.76 V
1 μV
23.56 μV
6.94 μV
⇒ A remote control of TV uses a 10 bit word. The maximum number of total commands it can transmit is
64
256
512
1024