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Match the following:
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A. | A-1, B-2, C-4, D-3 [Wrong Answer] | ||||||||||||||||||||
B. | A-4, B-1, C-2, D-3 [Correct Answer] | ||||||||||||||||||||
C. | A-2, B-3, C-1, D-4 [Wrong Answer] | ||||||||||||||||||||
D. | A-3, B-4, C-2, D-1 [Wrong 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 :
⇒ Consider the transmission line of length 37.5 cm, which is terminated into zero resistance. This line is being exited by a source of 1 GHz which has an internal impedance of 50 Ω. What is the input impedance of the line as seen by the source?
50 Ω
Zero Ω
100 Ω
Infinite Ω
⇒ It is desired to clean up ragged looking pulsed that have been distorted during transmission from one place to another, which of the following device will be appropriate?
Multiplexer
D/A converter
JK flip-flop
Schmitt trigger
⇒ In CE connection, the leakage current of a transistor is about
10 x 10^{-9} A
5 x 10^{-6} A
200 x 10^{-6} A
5 x 10^{-3} A
⇒ 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)
⇒ For a message signal m(t) = cos (2pf_{m}t) and the carrier frequency f_{c}, which of the following represents a single side band (SSB) signal?
cos (2pf_{m}t) cos (2pf_{c}t)
cos (2pf_{c}t)
cos [2p(f_{c} + f_{m}) t]
[1 + cos (2pf_{m}t) cos (2pf_{c}t)]
⇒ Which of the following are voltage controlled devices?
Vacum triode
FET
SCR
Both (a) and (b)
⇒ System bus is the communication channel between microprocessor and peripherals.
TRUE
FALSE
⇒ Consider the z-transform X(z) = 5z^{2} + 4z^{-1} + 3; 0 < |z| < ∞ The inverse transform x[n] is
5δ[n + 2] + 3δ[n] + 4δ[n - 1]
5δ[n - 2] + 3δ[n] + 4δ[n + 1]
5u[n + 2] + 3u[n] + 4u[n - 1]
5u[n - 2] + 3u[n] + 4u[n + 1]
⇒ A decade counter
counts for ten days
counts ten times faster than a binary counters
counts to 9 and reset on the next pulse
reverts on the pulse after the tenth
⇒
Both A and R are true and R is correct explanation of A
Both A and R are true but R is not correct explanation of A
A is true R is false
A is false R is true
⇒ At T = 0, the resistivity of a perfect single crystal of a metal is
0
low
high
finite
⇒ If the plate supply voltage for a plate modulated class C amplifier is E, the maximum plate cathode voltage could be almost as high as
E
2 E
3 E
4 E
⇒ Which of the following devices has substrate?
JFET
Depletion Type MOSFET
Enhancement type MOSFET
Both (b) and (c)
⇒ In a pulsed RADAR typical value of pulse duration and pulse frequency respectively are
1 μs and 50 Hz
1 μs and 500 Hz
4 μs and 50 Hz
4 μs and 500 Hz
⇒ In narrowband FM, the modulation index is
near unity
about 100
about 0.1
about 300
⇒ Q of a coil
A, B
C, D
A, C
B, D
⇒ Which of the following are donor impurities?
1, 2, 3
1, 2, 4, 6
3, 4, 5, 6
2, 4, 5
⇒ If Z is the number of zeros of 1 + G(s) H(s) in the right half s plane. N is the number of clockwise encircle elements of (-1 + jo) point. P is the number of poles of G(s) H(s) in right half s plane. The Nyquist stability criterion can be expressed as
Z = N + P
Z = P/N
Z = N - P
Z = PN
⇒ In a certain inverter circuit each thyristor carries 26.67 A for 60°, 13.33 A for 120° and zero A for 180° of the cycle. The rms current of thyristor is
20 A
13.33 A
6.67 A
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⇒ The output impedance of a logic pulser is
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high
may be Low or High
can't say
⇒ A sinusoidal ac voltage of amplitude 100 V is applied to a rectifying device which offers 10 Ω resistance in forward direction and infinite resistance in reverse direction. The reading on hot wire ammeter will be
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0.208333333333333
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1.414 A
⇒ In an ac series RLC circuit the maximum phase difference between any two voltages can be
90°
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⇒ Standard AM radio broadcasts are confined to
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VHF
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⇒ In a number system with radix r, the decimal value of 110 is equal to 4r. The decimal values of 111 and r respective are equal to
20, 5
16, 4
13, 3
8, 2
⇒ The absorption of EM wave by the atmosphere depends on
polarization of waves
frequency in use
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height of antenna
⇒ A gate in which shift register is connected as shown in the figure below. How many clock pulse (after reset to '0') the contents of the shift register are '000' ag
3
6
16
8
⇒ NAND and NOR gates are universal gates.
TRUE
FALSE
⇒ The feedback control system shown in figure is sta
for all K ≥ 0
only if K ≥ 1
only if 0 ≤ K < 1
only if -1 ≤ K < 1
⇒ For the logic circuit of the given figure the simplified Boolean expressio
Y = AB + A C
Y = (AB) (A C)
Y = ABC
Y = A B + A C
⇒
Both A and R are correct and R is correct explanation of A
Both A and R are correct but R is not correct explanation of A
A is true, R is false
A is false, R is true
⇒ Consider the transmission line of length 37.5 cm, which is terminated into zero resistance. This line is being exited by a source of 1 GHz which has an internal impedance of 50 Ω. What is the input impedance of the line as seen by the source?
50 Ω
Zero Ω
100 Ω
Infinite Ω
⇒ It is desired to clean up ragged looking pulsed that have been distorted during transmission from one place to another, which of the following device will be appropriate?
Multiplexer
D/A converter
JK flip-flop
Schmitt trigger
⇒ In CE connection, the leakage current of a transistor is about
10 x 10^{-9} A
5 x 10^{-6} A
200 x 10^{-6} A
5 x 10^{-3} A
⇒ 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)
⇒ For a message signal m(t) = cos (2pf_{m}t) and the carrier frequency f_{c}, which of the following represents a single side band (SSB) signal?
cos (2pf_{m}t) cos (2pf_{c}t)
cos (2pf_{c}t)
cos [2p(f_{c} + f_{m}) t]
[1 + cos (2pf_{m}t) cos (2pf_{c}t)]
⇒ Which of the following are voltage controlled devices?
Vacum triode
FET
SCR
Both (a) and (b)
⇒ System bus is the communication channel between microprocessor and peripherals.
TRUE
FALSE
⇒ Consider the z-transform X(z) = 5z^{2} + 4z^{-1} + 3; 0 < |z| < ∞ The inverse transform x[n] is
5δ[n + 2] + 3δ[n] + 4δ[n - 1]
5δ[n - 2] + 3δ[n] + 4δ[n + 1]
5u[n + 2] + 3u[n] + 4u[n - 1]
5u[n - 2] + 3u[n] + 4u[n + 1]
⇒ A decade counter
counts for ten days
counts ten times faster than a binary counters
counts to 9 and reset on the next pulse
reverts on the pulse after the tenth
⇒
Assertion (A): An RTD uses platinum coil.
Reason (R): Platinum is a very stable material.
Both A and R are true and R is correct explanation of A
Both A and R are true but R is not correct explanation of A
A is true R is false
A is false R is true
⇒ At T = 0, the resistivity of a perfect single crystal of a metal is
0
low
high
finite
⇒ If the plate supply voltage for a plate modulated class C amplifier is E, the maximum plate cathode voltage could be almost as high as
E
2 E
3 E
4 E
⇒ Which of the following devices has substrate?
JFET
Depletion Type MOSFET
Enhancement type MOSFET
Both (b) and (c)
⇒ In a pulsed RADAR typical value of pulse duration and pulse frequency respectively are
1 μs and 50 Hz
1 μs and 500 Hz
4 μs and 50 Hz
4 μs and 500 Hz
⇒ In narrowband FM, the modulation index is
near unity
about 100
about 0.1
about 300
⇒ Q of a coil
- increases with Q increasing frequency
- varies linearly with frequency
- increase with increasing frequency because R increases at high frequency
- decrease after the peak frequency because R increases at H.F. the correct statements are
A, B
C, D
A, C
B, D
⇒ Which of the following are donor impurities?
- Gold
- Phosphorus
- Boron
- Antimony
- Arsenic
- Induim
1, 2, 3
1, 2, 4, 6
3, 4, 5, 6
2, 4, 5
⇒ If Z is the number of zeros of 1 + G(s) H(s) in the right half s plane. N is the number of clockwise encircle elements of (-1 + jo) point. P is the number of poles of G(s) H(s) in right half s plane. The Nyquist stability criterion can be expressed as
Z = N + P
Z = P/N
Z = N - P
Z = PN
⇒ In a certain inverter circuit each thyristor carries 26.67 A for 60°, 13.33 A for 120° and zero A for 180° of the cycle. The rms current of thyristor is
20 A
13.33 A
6.67 A
3.33 A
⇒ The output impedance of a logic pulser is
low
high
may be Low or High
can't say
⇒ A sinusoidal ac voltage of amplitude 100 V is applied to a rectifying device which offers 10 Ω resistance in forward direction and infinite resistance in reverse direction. The reading on hot wire ammeter will be
0.416666666666667
0.208333333333333
3.185 A
1.414 A
⇒ In an ac series RLC circuit the maximum phase difference between any two voltages can be
90°
45°
- 90°
180°
⇒ Standard AM radio broadcasts are confined to
MF
HF
VHF
UHF
⇒ In a number system with radix r, the decimal value of 110 is equal to 4r. The decimal values of 111 and r respective are equal to
20, 5
16, 4
13, 3
8, 2
⇒ The absorption of EM wave by the atmosphere depends on
polarization of waves
frequency in use
dist. from T_{y}
height of antenna
⇒ A gate in which shift register is connected as shown in the figure below. How many clock pulse (after reset to '0') the contents of the shift register are '000' ag
3
6
16
8
⇒ NAND and NOR gates are universal gates.
TRUE
FALSE
⇒ The feedback control system shown in figure is sta
for all K ≥ 0
only if K ≥ 1
only if 0 ≤ K < 1
only if -1 ≤ K < 1
⇒ For the logic circuit of the given figure the simplified Boolean expressio
Y = AB + A C
Y = (AB) (A C)
Y = ABC
Y = A B + A C
⇒
Assertion (A): Tristate logic is used for bus oriented systems
Reason (R): The outputs of a tristate logic are 0, 1 and indeterminant.
Both A and R are correct and R is correct explanation of A
Both A and R are correct but R is not correct explanation of A
A is true, R is false
A is false, R is true